cho lăng trụ ABC.A’B’D’ có A’ABC là hình chóp tam giác đều,AB=a.Gọi α là góc giữa mặt phẳng (A’BC) và mặt phẳng (B’C’CB).Tính thể tích khối chóp A’.BCC’B’ theo α biết cosα=1/√3

tìm quy luật dãy số 2,7,16,29,46,67,92

tìm m để pt 1-2cos²x=m có nghiệm

10. That's a very nice dress you're wearing. - ............
A. I'm glad you like it B. That's all right C. That's nice D. You're quite right
11. ............to stay the night? – Oh, that's very kind of you.
A. Do you feel like B. Would you like C. Why don't you D. Do you enjoy
12.__________ that reason, I don’t agree with you.
A. Because B. Instead C. But D. For
13. The thief ran away when the burglar alarm went ______.
A. off B. down C. on D. up
14. He arrived ______ Hanoi at 8.30 in the evening.
A. to B. at C. in D. for

BINH HUNG HOA HIGH SCHOOL PRACTICE TEST 10 - The 1st Semester

5
15. They _______ the seedlings into peaty soil.
A. lead B. plough C. transplant D. take
16. Could you tell me the ...........time when the meeting begins?
A. exact B. exactly C. exactness D. exacting
17. The Pikes live _________ farming. They work hard ____________ the field every day.
A. with/in B. at/with C. in/ on D. on/in
18. Water _________ at 100 degrees Celsius and freezes at 0 degree Celsius.
A. cooks B. steams C. boils D. grills
19. They use a _________ to break up the soil and plant the seeds.
A. pump B. plough C. harvester D. land
20. Although I am very busy, I try to find time to __________ to my grandparents every weekend.
A. take a break B. pay a visit C. take care D. look after
21. It is such a terrible day that I don’t _______ to go out.
A. want B. fancy C. enjoy D. need
22. Something strange _______ to me while I _______ home last night.
A. was happened/ was walking B. was happening/ walked
C. happened/ was walking D. happened/ walked
23. We ________ at the station ten minutes ago.
A. left B. came C. went D. arrived
24. My mom _________ at home.
A. usually cook B. cooks usually C. cook usually D. usually cooks
25. It took him three hours to do his homework.
A. He spends his homework in three hours. B. He spent three hours doing his homework.
C. He did his homework three hours ago. D. He finished his homework three hours ago.
III. ERROR IDENTIFICATION: Identify one underlined word or phrase that is incorrect:
26. Tom watches usually television in the evening.
A B C D
27. These pupils never are late for school.
A B C D
28. No longer does John goes to school on Sundays.
A B C D
29. According to my professor, Africans need to do intensive farming to produce food enough to feed
the people. A B C D
30. Mark went on working despite he felt unwell.
A B C D

10 A 11 B 12 D 13 was 14 C 15 B 16 D

Trong mp tọa độ Oxy cho A(1,4).B(2,5),\(\overrightarrow{v}\)(-1,3)  ,(E):\(\dfrac{x^2}{y}+\dfrac{y^2}{4}=4\)

a) Tìm ảnh A,E qua T\(_{\overrightarrow{v}}\)

b)Tìm tạo ảnh B,E qua T_{\(\overrightarrow{v}\)}

c)Tìm T_{\(\overrightarrow{a}\)}:Biến A thành B, T_{\(\overrightarrow{b}\) Biến B thành O}

i talked to the man __________ the newspaper. (read) 

mik mù tiếng anh lắm

........from so much trouble in the life makes her more and more mature than before. (suffer)

giúp mik vs

sin²3x-cos²4x=sin²5x-cos²6x