Cho 2 bóng đèn gioongs nhau có hiệu điện thế ở mức định 2V ,1 nguồn điện 4V và 1 công tắc

a) Hãy vẽ sơ đồ mạch điện cho các bóng đèn sáng bình thường? Vẽ chiều dòng điện

b) Khi 1 bóng đèn hỏng thì các đèn còn lại có độ sáng như thế nào? Vì sao?

CÁC BẠN GIÚP MÌNH VỚI MÌNH SẮP THI RỒI

cho 2 đa thức

P(x)=2x³2x+x²+3x+2

Q(x)=4x³-3x²-3x+4x-3x³+4x²+1

a) thu gọn P(x) và Q(x)

b) tính đa thức R(x)sao cho P(x)=Q(x)+R(x)

c) tìm nghiệm của R(x)

bài 2

cho B(x)=-2x²+3x-5x²+x+3

C(x)=3x²-4x-3

a)thu gọn B(x) ,sắp xếp theo lũy thừa giảm dần xác định bậc hệ số tự do hệ số cao nhất của B(x)

b)tính P(x)=B(x)+C(x)

c) tìm nghiệm của P(x)

CÁC BẠN GIÚP MÌNH VỚI MAI MÌNH PHẢI NỘP RỒI !!!

MÌNH CẢM ƠN

Với mạch điện trên khi hai đền sáng

a/ Nếu Ampe kế chỉ 1,5A và bik cường độ dòng điện qua đèn 1 là 0,5A. Tìm cường độ dòng điện qua đèn 2

b/ Nếu Vôn kế chỉ 6V thì iệu điện thế giữa hai đầu mỗi đèn là bao nhiêu? Tại sao?

cho tam giác abc vuông tại b,ab<bc lấy d thuộc bc sao cho ab=ad kẻ tia phân giác góc a cắt bd tại h,cắt dc tại e

a,cmr tam giác abe=tam giác ade

b,tam giác ebd cân

c, ae là đường trung trực của bd

d, cmr be<bc

theo em vệ sinh chăn nuôi có mục đích phòng bệnh vì

như vậy sẽ đảm bảo vệ sinh sạch tránh được những mầm bệnh tăng sức đề kháng cho vật nuôi

CHÚC BẠN HỌC TỐT

Câu 1: Trên thế giới có khoảng bao nhiêu loài cá

a. 5000 loài

b. 10000 loài

c. 1500 loài

d. 33600 loài

Câu 2: Loài cá nào sau đây KHÔNG thuộc lớp Cá xương?

a. Cá đuối

b. Cá chép

c. Cá vền

d. Lươn

Câu 3: Loài cá thích nghi với đời sống ở tầng nước mặt

a. Cá chép, cá vện

b. Cá nhám, cá trích

c. Cá nhám, cá đuối

d. Cá chép, cá trích

Câu 4: Các loài cá sống ở tầng đáy có đặc điểm

a. Bơi rất kém

b. Bơi nhanh

c. Thân thon dài

d. Khúc đuôi khỏe

Câu 5: Loài cá có độc có thể gây chết người

a. Cá chép

b. Cá đuối

c. Cá nóc

d. Cá trích

Câu 6: Loài cá nào thích nghi với đời sống chui rúc trong bùn

a. Cá vện

b. Lươn

c. Cá trích

d. Cá đuối

Câu 7: Ở tầng mặt thiếu nơi ẩn nấp, cá sẽ có đặc điểm gì để thích nghi?

a. Thân tương đối ngắn, vây ngực và vây bụng phát triển bình thường, khúc đuôi yếu, bơi chậm

b. Có thân rất dài, vây ngực và vây bụng tiêu biến, khúc đuôi nhỏ, bơi rất kém

c. Có mình thon dài, vây chẵn phát triển, khúc đuôi khỏe, bơi nhanh

d. Có thân dẹp, mỏng, vây ngực lớn hoặc nhỏ, khúc đuôi nhỏ, bơi kém

Câu 8: Những đặc điểm nào của cá giúp nó thích nghi với đời sống dưới nước

a. Bơi bằng vây, hô hấp bằng mang

b. Có 1 vòng tuần hoàn, tim hai ngăn

c. Thụ tinh ngoài và là động vật biến nhiệt

d. Tất cả các đặc điểm trên đều đúng

Câu 9: Những lợi ích của cá là

a. Cung cấp thực phẩm cho con người, làm nguyên liệu cho ngành công nghiệp

b. Là thức ăn cho các động vật khác

c. Diệt muỗi, sâu bọ có hại cho lúa và làm cảnh

d. Tất cả các lợi ích trên đều đúng

Câu 10: Để bảo vệ và phát triển nguồn lợi cá, ta cần:

a. Tận dụng các vực nước tự nhiên để nuôi cá

b. Nghiên cứu thuần hóa những loài cá mới

c. Ngăn cấm đánh bắt cá còn nhỏ, cá bố mẹ trong mùa sinh sản, cấm đánh cá bằng mìn, bằng chất độc…

d. Tất cả các biện pháp bảo vệ trên là đúng

Exercise 1: Choose the word that has the underlined part pronounced differently from the others. 1. A. loved B. stopped C. played D. lived 2. A. laughed B. selected C. liked D. crossed 3. A. crooked B. finished C. arrived D. blessed 4. A. phoned B. enjoyed C. boiled D. cooked 5. A. followed B. fixed C. missed D. talked 6. A. prepared B. allowed C. terminated D. filled 7. A. finished B. committed C. laughed D. worked 8. A. interpreted B. wretched C. dogged D. ordered 9. A. watched B. pushed C. washed D. changed 10. A. purchased B. staved C. cleaned D. arranged Exercise 2: Divide the words into three columns. checked pulled paused notified maintained wiped opened fixed wanted charged finished evaluated naked aged permitted cooked molded divided stayed closed repaired needed pushed steamed /t/ /d/ /ıd/ .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... .................... Exercise 3: Complete the words: types of film. 1. d_ _ _m_ _ _ _ _ _ 4. sci_ _ _ _-fic_ _ _ _ film 7. a_ _ _a_ _ _ _ 2. ro_ _ _ _ _ _ co_ _ _ _ 5. ac_ _ _ _ film 8. de_ _ _ _ _ _ _ film 3. c_ _ _ _y 6. fa_ _ _ _ film 9. ho_ _ _ _ film Exercise 4: Choose the best option to fill in the blank. 1. In 1939, this ..................... was made to tell stories about the real life of Abraham Lincoln as a young man. A. biopic B. science fiction film C. action film D. horror film 2. When watching that ....................., we can’t help laughing at the stupid things of the main actor. A. documentary B. comedy C. action film D. horror film 3. My son feels very happy when he sees that ..................... with a lot of cute animals. A. horror film B. biopic C. thriller film D. animation 4. Most ..................... say that this film is worth watching. A. plots B. settings C. critics D. acting 5. He acts very well. I’m sure that yesterday he stayed up all night reading the ............... A. acting B. character C. survey D. script 6. Before you go to the cinema, you can watch the trailer and read .............. of the film. A. reviews B. disaster C. critic D. character 7. That was a ................ and boring horror film so I slept from the beginning to the end. A. shocking B. entertaining C. gripping D. predictable 8. I didn’t expect the movie to be so interesting and so .....................! I cried at the end of the film. A. moving B. violent C. confusing D. hilarious 9. According to our latest survey, Batman is one of 10 ..................... films this summer. A. must-see B. violence C. embarrassed D. stunt 10. Woody Allen is one of some directors who ..................... in their own films and receive positive reviews. A. set B. star C. recommend D. make 11. The film had such a sudden and ..................... ending that no one can imagine. A. disappointed B. must-see C. predictable D. shocking 12. Watching ..................... films may make people more aggressive. A. hilarious B. violent C. entertaining D. gripping

III. PRONUNCIATION: /id/, /t/and /d/

B. EXERCISES

I. Choose the word having the underlined part pronounced differently in each line.

1. A. animation B. female C. pavement D. safety

2. A. sign B. critic C. illegal D. dislike

3. A. filled B. wanted C. played D. opened

4. A. recommend B. seatbelt C. vehicle D. investigate

5. A. cooked B. talked C. booked D. naked

6. A. delivered B. clicked C. promised D. picked

7. A. needed B. developed C. wanted D. included

8. A. liked B. washed C. loved D. jumped

9. A. acting B. actor C. address D. action

10. A. comedy B. boring C. shocked D. long

11. A. wished B. gripped C. loved D. liked

12. A. excited B. enjoyed C. bored D. amazed

13. A. laughed B. ended C. shocked D. missed

14. A. advertised B. murdered C. Performed D. approached

15. A. produced B. terrified C. entertained D. engaged

II. Put the words into the correct column.

III. Choose the best answer (A, B, C orD).

1. I was __________ to learn that the director of that gripping film has won the first prize.

A. interest B. interests C. interested D. interesting

2. The film was so __________. However my father saw it from beginning to end.

A. interesting B. exciting C. boring D. fascinating

3. We were __________ with the latest film of that director.

A. satisfied B. satisfactory C. satisfying D. satisfy

4. __________ he spent too much money on the film, it wasn’t a big success.

A. But B. Even C. Despite D. Although

5. I have never felt as __________ as I did when I watched that horror film.

A. terrify B. terrified C. terrifying D. terrible

6. Not many people went to see the film; __________ it received good reviews from critics.

A. although B. but C. despite D. however

7. Let’s go to the Victor Cinema. I’m sure you’ll find the film __________.

A. excites B. excite C. excited D. exciting

8. I found the book so ____________ that I couldn’t put it down.

A. gripping B. shocking C. tiring D. boring

9. We found the plot of the film__________.

A. bored B. boring C. interested D. acting

10. Mr. Bean’s Holiday is a _____________ film – I was laughing from beginning to the end.

A. moving B. scary C. violent D. hilarious

11. __________ careful preparation, we have a lot of difficulties in making a new film.

A. Such B. However C. Despite D. With

12. A___________ is a film that shows real life events or stories.

A. documentary B. thriller C. comedy D. action

13. I went to the cinema with my friends yesterday __________ feeling very tired.

A. although B. so C. in spite of D. but

14. The end of the film was so _____________ that many people cried.

A. boring B. shocking C. exciting D. moving

15. We didn’t find it funny __________ it was a comedy.

A. but B. although C. despite D. in spite of

16. A ___________ is a film that tries to make audiences laugh.

A. sci-fi B. documentary C. comedy D. horror

17. I enjoy the film on TV yesterday evening __________ nobody in my family liked it.

A. so B. because C. although D. in spite of

18. They were very disappointed ___________ her acting.

A. of B. with C. in D. on

19. A film in which strange and frightening things happen is called a/an_________

A. thriller B. comedy C. drama D. animation

20. _____________beginning with a terrible disaster, the film has a happy ending.

A. In spite B. Despite C. Although D. However

IV. Combine the sentences. Use the words In brackets.

1. The new restaurant looks good. It seems to have few customers. (however) _____________________________________________________________________________

2. We planned to visit Petronas in the afternoon. We could not afford the fee. (however) _____________________________________________________________________________

3. Mary was sick. She didn’t leave the meeting until it ended. (despite) _____________________________________________________________________________

4. We live in the same street. We rarely see each other. (in spite of) _____________________________________________________________________________

5. I couldn’t sleep. I was tired. (in spite of) _____________________________________________________________________________

6. They have little money. They are happy (despite) ____________________________________________________________________________

7. My foot was hurt. I managed to walk to the nearest village. (although) ____________________________________________________________________________

8. I’ve been too busy to answer by email. I’ll do it soon. (nevertheless) ____________________________________________________________________________

9. We had planned to walk right round the lake. The heavy rain made this impossible. (although) ___________________________________________________________________________

10. I got very wet in the rain. I had an umbrella. (although)

___________________________________________________________________________

11. It was a comedy. Almost all audiences feel asleep. (although) ___________________________________________________________________________

12. The film was made twenty years ago. Many people have enjoyed seeing it. (however)

___________________________________________________________________________

13. She has been nominated for Best Actress five times. She has never won once, (in spite of)

___________________________________________________________________________

14. This is his first role. His acting is excellent. (nevertheless)

___________________________________________________________________________

15. The film didn’t receive good investment. The film was a great success. (despite)

___________________________________________________________________________

V. Give the correct form of the word given to complete the sentence.

VI. Read the following passage and choose the best answer for each blank.

The world's first film was shown in 1895 by two French brothers, Louis and AugusteLumlere. Although it only (1)________of short, simple scenes, people loved it and films have (2)____________popular ever since. The first films were silent, with titles on the screen to (3)___________the story.

Soon the public had (4)___________favourite actors and actresses and, in this (5)_________the first film stars appeared. In 1927, the first "talkie", a film with sound, was shown and from then on, the public (6)_______only accept this kind of film.

Further improvements continued, particularly in America, (7)_______produced 95% of all films. With the arrival of television in the 1950s,(8)_________people went to see films, but in (9)_____________years cinema audienceshave grown again. More countries have started to produce films that influence film-making and there are currently (10)_____________national film industries.

VII. Read the passage below and choose one correct answer for each question

My first visit to the cinema was a very unhappy one. I was taken there by some friends when I was only seven years old. At first there were bright lights and music and I felt quite happy. When the lights went out, I felt afraid. Then I saw a train on the screen.. The train was coming towards me. I shouted out in fear and got down under my seat When my friends saw me, they started to laugh. I felt ashamed and sat back in my seat. I was very glad when the film ended.

1. Who took the writer to the cinema for the first time?

A. His father B. His parents

C. His parents'friends D. His friends

2. How did he feel at first?

A. excited B. unhappy C. sad D,quite unhappy

3. He was frightened when_______ ,

A. there was music B. the cinemas had no light

C. the train ran D. his friends saw him

4. Where did he hide when he saw the train coming towards him?

A. under the seat B. on the screen

C. on his friends' back D. under the train seat

5. How did he feel when the film finished?

A. very sad B. very unhappy

C. quite happy D, quite right

VIII. Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it.

a) It was so late that nothing could be done

It was too late to do anything/ late for anything to is done

b) I asked the hotel porter to wake me at 8 o’clock the following morning.

“Please (can/ could/would you) wake me at 8 o'clock tomorrow morning,” I said to the hotel porter.

c) They’ll have to change the date of the meeting again.

The date of the meeting will have to be changed again

d) The garage is going to repair the car for us next week.

We are going to have/ get the car repaired

e) The bus takes longer than the train.

The train doesn’t take as long as the bus /takes shorter time than the bus

f) John has not had his hair cut for over six months.

It is over six months since John had/ got his hair cut

g) My husband didn’t leave the car keys, so I couldn’t pick him up at the station.

If my wishes (that) she had been put / they had put her in a higher class

h) Would you like me to finish the work tonight

I’ll finish the work tonight if you like/you want me to

i) You may get hungry on the train, so take some sandwiches.

In case you get hungry, you’d better/ should/ ought to take some sandwiches.

husband had left the car keys, we could/ would have picked him up at the station.

IX. Complete the sentences with the correct form of the adjectives in brackets.

1. I was very _______________ in the lesson because our teacher is very _______________ in history. (interest)

2. My friend is a very _______________ sort of person but he hates doing _______________ activities. (relax)

3. Studying for exams is very _______________ I get _______________ when I open my school books. (tire)

4. We were all very _______________ about the school trip but it wasn’t an _______________ trip at all. (excite)

5. It’s a _______________ book and I’m _______________ every time I start reading it (bore)

X. Find a mistake in the four underlined parts of each sentence and correct it.

1. The children felt very terrifying when they watched that horror film.

A B C D

2. Lots of people enjoy Titanic despite it has an unhappy ending.

A B C D

3. We found the film bored, so we left halfway through it.

A BC D

4. Although his old age, Mark performed excellently in his latest film.

A B C D

5. Almost people were shocked by thewav the film star behaved.

A B C D

XI. Writing:

Think of a film you have seen. Write a film review. Your review should be at least 100 words long. Use the following guides to help you in your review.