Cho hệ phương trình \(\left\{{}\begin{matrix}mx+y=5\\2x-y=-2\end{matrix}\right.\)
a, Với giá trị nào của m thì hệ phương trình có nghiệm là (x;y)=(2;6)
b, Với giá trị nào của m thì hệ phương trình có nghiệm duy nhất? Hệ phương trình vô nghiệm?
c, Tìm giá trị của m để nghiệm (x0 ;y0) của hệ phương trình thỏa mãn điều kiện : x0+y0=1
Đọc đoạn trích và thực hiện các yêu cầu:
Mẹ ơi những ngày xa
Là con thương mẹ nhất
Mẹ đặt tay lên tim
Có con đang ở đó
Như ngọt ngào cơn gió
Như nồng nàn cơn mưa
Với vạn ngàn nỗi nhớ
Mẹ dịu dàng trong con!
(Trích Dặn mẹ - Đỗ Nhật Nam, Hát cùng những vì sao, NXB Lao Động, 2016, tr59)
1. Đoạn trích trên được viết theo thể thơ gì? (0,5 điểm)
2. Chép lại dòng thơ sử dụng phép tu từ điệp ngữ trong khổ thơ thứ hai. (0,5 điểm)
3. Xác định từ láy, từ ghép trong các từ sau: Nồng nàn, nỗi nhớ. (0,5 điểm)
4. Mẹ đặt tay lên tim
Có con đang ở đó
Em hiểu thế nào về hai dòng thơ trên? (0,5 điểm)
323 và 515
12 167 và 759 375
= 323 < 515
Combine two sentences into a new one using the given words in brackets. Do not change the given words in any ways
43. Nilli is not at school today. Nikki's turn is to pass out papers. (whose)
44. The brown squirrel ran up the tree. The dog did not bark. (but)
45. No one was at home. The thieves robbed the house. (because)
Finish the second sentence so that is has a similar meaning to the first one, beginning with the given words.
46. The last time we went to Ho Chi Minh City was in 2009.
We haven't.
47. I advise you to be more truthful in future.
If I .
48. "Let's have a picnic next Sunday," Maria said.
Maria suggested.
49. People belive that the wanted man is living in New York.
The wanted man.
50. We didn't have enough money to buy the picture.
The picture was too.
I. Multiple choice (8.0 points)
Mark the letter A, B, C or D to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.
1. A. hire B. horror C. heir D. hair
2. A. about B. account C. sound D. cousin
3. A. enough B. although C. laugh D. cough
Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
4. A. amazing B. apartment C. compliment D. delicious
5. A. capture B. sistance C. finish D. invite
6. A. deception B. recipient C. effective D. recipe
Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
7. Before you begin the exam paper, always read thecarefully.
A. orders B. redulations C. rules D. instructions
8. The child was told to eat all his food orhe would get no ice-cream.
A. else B. in case C. nstead D. otherwise
9. The ticketone person to the show.
A. includes B. delivers C. admits D. enters
10. Could you pleasean appointment for me to see Mr. Smith?
A. do B. take C. make D. get
11. We have had the roof of our house.
A. replace B. replced C. to replace D. been replaced
12. If everyone of usthe traffic rules, the road will be much safer.
A. obey B. obeys C. obeyed D. will obey
13. There are farstudents in this school than in that school.
A. fewer B. less C. fewest D. least
14. Susan rarely stays up late,?
A. is ghe B. isn't she C. does she D. doesn't she
15. - "Tom wasn't there last night?"
- "No,."
A. I wasn't either B. either was I C. I wasn't too D. neither I was
16. Unexpectedly the lightsout and we were left in darkness.
A. tuned B. got C. went D. gave
17. James is very interested in mathematics and is.
A. appliance B. use C. practice D. application
18. The children shouldn't watch the film tonight. Theyto bed before 9 p.m
A. can go B. are to go C. may go D. need go
19. The film "King Lear" wason a play by Shakespeare.
A. founded B. built C. based D. constructed