I. Find out correct one mistake in A, B, C or D of each sentence and then correct. (1point)

76. He slept in his room when the fire alarm rang.

⇒⇒ was sleeping

77. Shall you close the window for me, please?

⇒⇒ Could

78. He gets up early in order to reviewing lessons before school.

⇒⇒ review

79. The ambulance will be there for about ten minutes.

⇒⇒ at

80. I've been learning English since 4 years.

⇒⇒ for

IV. Complete the sentences with one suitable preposition.

1. They have prevented us..............FROM........cutting the trees.

2. Why should we have to put...............OUT.....this noise?

V. Tim loi sai:

1. I had to drive to the factory to pick up my brother who's=> WHOSE car wouldn't start.

A B C D

2. I wasn't a bit suprised hearing=> TO HEAR that Karen had changed her job.

A B C D

3. I didn't realize he was your brother only=> ONLY WHEN I saw thephotograph.

A B C D

4. The information I got from the assistant was such=> SO confusing that I fifn't know what to do.

A B C D

5. Though my house was cheaper than Jane's, it is bigger and the more=> MORE attractive.

A B C D

6. It was not easy for us getting=> TO GET tickets for the concert.

A B C D

7. If he hadn't been late for work every moment, hewouldn't lost=> WOULDN'T HAVE LOST his job.

A B C D

8. He spoke a few=> A LITTLE English, so we were able to communicate with him.

A B C D

9. It was such a terrible fire that the whole building were=> WAS destroyed.

A B C D

10. They asked me a lot of questions, most of that=> WHICH I couldn't answer well.

A B C D

I. Complete the following sentences by giving the correct tense or form of the verbs in the blanks:

1. I couldn’t resist ……laughing………..(laugh) at the way he answered my question.

2. She told me that her family …………LIVED…….(live) in that town long.

3. He refused…………JOINING…………(join) us on the trip to the mountains.

4. By the time next week, they ………………WILL HAVE SAT…….(sit) in the train on their way to London.

5. It is raining. We can’t do anything until it …………STOPS……..…..(stop).

6. If he doesn’t start at once, he ……………WILL BE…….….(be) late for the train.

7. All the tickets ………WILL HAVE BEEN SOLD…………..…(sell) out by the time we arriced at the theater.

8. The experiment …………WAS BEING MADE………...(make) when the lights went out.

9. It was one of the happiest evenings I ……………HAVE SPENT…..……..(spend).

10. The radio ………HAS BEEN PLAYING…………………….(play ) since 7 a.m. I wish someone would turn off it.

II. She spent two years studying in Spanish. TOOK

It.....................TOOK HER TWO YEARS TO STUDY IN SPANISH ..............................

III. Write complete sentences using the suggested words.

1. Galileo/be/consider/father/morden astronomy//

...............GALILEO WAS CONSIDERED TO BE THE FATHER OF MODERN ASTRONOMY...........................................

2. the value/sterling/fall/considerably/past week//

...................There has been a considerable fall in the value of sterling in the past week......................................

3. The film/start/when/we/arrive/cinema//

...........................THE FILM HAD STARTED WHEN WE ARRIVED AT THE CINEMA.........................

*Giống :
kết thúc một quá trình giảm phân mỗi tb cho ra 2 tb con

giảm phân 1
kì đầu 1 các NST có hiện tượng bắt chéo
kì giữa 1 NST xếp thành 2 hàng
kì sau 1 NST phân li độc lập về 2 cực tế bào
kết thúc tạo thành 2 NST bằng 1 nửa tb mẹ ( n kép)
giảm phân 2 thực chất là nguyên phân(từ kép-> ĐƠn)
kì đầu 2 NST ko bắt chéo (giữ như kì cuối 1)
kì giữa 2 NST xếp thành 1 hàng
kì sau 2 NST phân li đồng đều về 2 cực tế bào
kết thúc tạo thành 4 NST đơn(n đơn)

Đổi 4,5dm=45dm

0,5m=50

Tổng độ dài 2 đáy là:

(45x2):50=1,8    (cm)

nên xem lại đề bạn ạ tổng sao lại bé hơn hiệu

Trình bày đặc điểm cấu tạo của hệ tiêu hóa tuần hoàn và hô hấp của ếch đồng:

Chúc bn hx tốt!

à cái này trong SBT lớp 6