thao tác nào sau đây dùng để tắt nguồn máy tính?
a) chọn turn off computer => turn off
b)nhấn start => turn off computer => turm off
c)nhấn công tắc màn hình
d)nhấn công tắc ở thân máy tính
muốn thoát khỏi hệ thống ta thực hiện :
a. chọn START/TURN OFF COMPUTER/TURN OFF c. chọn START/LOG OFF/LOG OFF
b. chọn START/TURN OFF COMPUTER/RESTART d. chọn START/LOG OFF/SWITCH USER
Các thao tác cơ bản khi sử dụng đồng hồ đa năng hiện số (hình vẽ) để đo điện áp xoay chiều cỡ 120 V gồm:
a. Nhấn nút ON OFF để bật nguồn của đồng hồ.
b. Cho hai đầu đo của hai dây đo tiếp xúc với hai đầu đoạn mạch cần đo điện áp.
c. Vặn đầu đánh dấu của núm xoay tới chấm có ghi 200, trong vùng ACV.
d. Cắm hai đầu nối của hai dây đo vào hai ổ COM và VW.
e. Chờ cho các chữ số ổn định, đọc trị số của điện áp.
g. Kết thúc các thao tác đo, nhấn nút ON OFF để tắt nguồn của đồng hồ.
Thứ tự đúng các thao tác là
A. a, b, d, c, e, g
B. c, d, a, b, e, g
C. d, a, b, c, e, g
D. d, b, a, c, e, g
Các thao tác khi sử dụng đồng hồ đo điện đa năng hiện số :
o Vặn đầu đánh dấu của núm xoay tới chấm có ghi 200 V, trong vùng ACV
o Cắm hai đầu nối của dây đo vào hai ổn COM và VΩ
o Nhấn nút ON OFF để bật nguồn cho đồng hồ
o Cho hai đầu của hai dây đo tiếp xúc với hai đầu đoạn mạch cần đo
o Chờ cho các chữ số ổn định, đọc kết quả đo
o Kết thúc thao tác đo, ấn nút ON OFF để tắt nguồn của đồng hồ
→ Đáp án B
Các thao tác cơ bản khi sử dụng đồng hồ đa năng hiện số (hình vẽ) để đo điện áp xoay chiều cỡ 120 V gồm:
a. Nhấn nút ON OFF để bật nguồn của đồng hồ.
b. Cho hai đầu đo của hai dây đo tiếp xúc với hai đầu đoạn mạch cần đo điện áp.
c. Vặn đầu đánh dấu của núm xoay tới chấm có ghi 200, trong vùng ACV.
d. Cắm hai đầu nối của hai dây đo vào hai ổ COM và VW
e. Chờ cho các chữ số ổn định, đọc trị số của điện áp
g. Kết thúc các thao tác đo, nhấn nút ON OFF để tắt nguồn của đồng hồ.
Thứ tự đúng các thao tác là
A. a, b, d, c, e, g.
B. c, d, a, b, e, g.
C. d, a, b, c, e, g.
D. d, b, a, c, e, g.
Chọn B.
-Các thao tác khi sử dụng đồng hồ đo điện đa năng hiện số :
o -Vặn đầu đánh dấu của núm xoay tới chấm có ghi 200 V, trong vùng ACV
o -Cắm hai đầu nối của dây đo vào hai ổn COM và VΩ
o -Nhấn nút ON OFF để bật nguồn cho đồng hồ
o -Cho hai đầu của hai dây đo tiếp xúc với hai đầu đoạn mạch cần đo
o -Chờ cho các chữ số ổn định, đọc kết quả đo
-Kết thúc thao tác đo, ấn nút ON OFF để tắt nguồn của đồng hồ
Choose the best correct answer (2.0 pts) 1. Do you mind ________ the air-conditioner? It is too cold. A. turn on B. turn off C. turning on D. turning off 2. Sitting too long in front of the computer makes your eyes _______. A. tired B. harm C. boring D. relax 3. When you game online, be careful when you make friends with ________. A. girls B. Boys C. strangers D. your classmates 4. Anna prefers _______films to _________ books. A. watching/ reading B. watch/ read C. watching/ read D. watch/ reading 5. The phrase "window shopping" means: A. buying a window C. just looking without intending to buy B. going shopping through the window D. buying so many things at the same time 6. Do you fancy ________origami? A. making B. make C. doing D. do 7. I hate __________ up late to do homework. A. staying B. stay C. get D. getting 8. My younger brother used to detest ______ fish, but now he likes doing it. A. eats B. ate C. eating D. eat 9. Mai enjoys __________ to music, especially pop music in her free time. A. hearing B. playing C. listening D. talking 10. You should avoid ___________ too much TV. It’s not good for your eyes. A. seeing B. looking C. watching D. glancing 11. I don’t like _________ up early on winter days. I love _______ in bed late. A. getting/stay B. get/ stay C. getting / staying D. get/ staying 12. Why don’t we _________ our parents with some DIY projects? I think it is useful. A. help B. do C. make D. give 13. What did they do in their ______________ on an average day in the USA? A. leisure time B. free timeC. spare time D. All are correct. 14. We also work as _____________ for an animal protection organization. A. volunteersB. volunteerC. voluntary D. volunteering 15. Quang's his garden in his game is a _______ one. A. real B. virtualC. imagination D. A & B 16. ____ DIY brings you a lot of amazing benefits. A. EatingB. PlayingC. DoingD. Hanging 17. Odd one out A. emailing B. hanging out C. BloggingD. surfing the net 18. Mongolian children learn to ride when they are ................ as three years old. A. as youngB. youngerC. younger thanD. so young 19. Countryside is not polluted ................ you can breathe there fresh air. A. althoughB. howeverC. thereforeD. as 20. ‘Children in my village often fly their kites in dry rice fields.’ ‘................’ A. It’s right up my street!B. That’s awesome. C. Exactly what I want.D. How interesting! 21. We are all hook ................ making star lanterns. A. inB. offC. onD. to 22. Their family have moved to the city ................2001. A. hornB. forC. inD. since 23.‘I find it hard to build a toy car.’ ‘But ................’ A. my pleasureB. it’s my fault. C. it sounds great!D. it’s right up your street! 24. Which one do you prefer, life in the ……..area or life in a modern town? A. farB. furtherC. distanceD. remote 25. I have stayed in a …….area for two weeks. The transportation was very inconvenient and there was no entertainment center to relax. A. ruralB. urbanC. outskirtsD. suburb 26.My new sofa is ....................... than the old one. A. more comfortableB. comfortably C. more comfortablerD. comfortable 27.My sister dances ....................... than me. A. gooderB. wellerC. betterD. more good 28.This road is ....................... than that road. A. narrowerB. narrowC. the most narrowD. more narrower 29.He did the test ....................... I did. A. as bad asB. badder thanC. more badly thanD. worse than 30. Yoga help us learn ................ to co-ordinate breathing and movement. A. whatB. whenC. whyD. how 31. Don’t worry. It is_____to travel to that village even at night. A. safeB. unsafeC. difficultD. inconvenient 32. Life in a small town is ................ than that in a big city. A. peacefulB. much peaceful C. less peacefulD. much more peaceful 33. The boys often help their parents to................water from the village well. A. gatherB. collectC. giveD. find 34. The Viet people have many................ customs and crafts. A. traditionB. traditionalC. cultureD. customary 35.We usually spend our holiday in the village ................ our grandparents live. A. whatB. whereC. whichD. when 36.I think country life is so boring and ................ because you’re not close to shops and services. A. unhealthyB. inconvenientC. comfortableD. peaceful 37.On the farm, uncle Duong showed us how to ................ cucumbers. A. ploughB. produceC. pickD. put up 38.Weto the countryside two months ago. A. goB. have goneC. wentD. will go 39. What will you do if you _________the final examinations? A. will passB. would passC. passD. passed 40. It rained hard., my father went to work. A. ThereforeB. HoweverC. BecauseD.So …The end…
You don't need the fans on in the classroom. .................................., please.
A. turn off it B. turn it off C. turn off them D. turn them off
4. Karachi is ................................... city in the world population.
A. the two largest B. the two larger C. These cond largest D. the second larger
5. My parents once took me to Bat Trang village. I could make my own …….there. I really enjoyed it.
A. pottery B. lacquer C. painting D. Sculpture
6. In this town, they ………… all the frames in steel.
A. make B. have C. mould D. cast
7. She is skilled at………………… cloth
A. giving B. weaving C. doing D. carving
8. If you like, I can…………….flowers on the cushion covers for you.
A. grow B. make C. embroider D. knit
9.My grandfather is the……………oldest artisan in the village. Ngoc’s grandfather is the oldest.
A. firrst B. second C. most D. one
10.Do you know who’s…………… his pottery workshop ?
A. bringing out B. taking over C. pasing down D.turning down
11. Every time I fly to the United States, I get really bad .
A. asthma B. jet lag C. confusion D. recreation
12. Tower blocks from the 60s and 70s could be after Grenfell Tower fire.
A. got down B. let down C. turned down D. pulled down
13. The trip to the National Gallery has been until next Friday.
A. put off B. looked into C. turned up D. found out
14. The street food in Hoi An is delicious and .
A. available B. fabulous C. affordable D. fascinating
15. Life in Ho Chi Minh City is than we thought at first.
A. far the busier B. the more busier C. much more busy D. much busier
16. We are looking for someone who is and hard-working.
A. hopeful B. lacked C. reliable D. smooth
17. How can we encourage people to get along with each other in this society?
A. considerable B. multicultural C. rural D. crashing
18. _______ all our efforts to save the school, the authorities decided to close it.
A. Since B. Despite C. Although D. Because
19. The traditional craft has from generation to generation.
A. been passed down B. been passed by C. passed down D. passed
20. He still doesn’t know his budget when living alone in the city.
A. when to manage B. how to manage C. where to manage D. what to manage
21. Did you forget your purse purpose so you wouldn’t have to pay?
A. on B. of C. in D. for
22. He was sentenced to ten years in prison on charges of drug .
A. charging B. stealing C. trafficking D. trading
23. In recent years, there has been thousands of victims of sexual and physical .
A. sentence B. crime C. abuse D. conduct
24. Harrison’s greatest attribute is his ability to work pressure.
A. within B. under C. in D. on
25. My parents always criticize me for not getting good grades at school. I wish they put themselves
in my .
A. pants B. legs C. hands D. shoes
26. He wondered to tell the news to his parents.
A. why B. how C. what d. which
27. He a bachelor’s degree in computer information systems in 1951.
A. forced B. sent C. took D. gained
28. “You must come to my party,” she told me.
A. She told me I come to her party. B. She told me to come her party.
C. She told me I had to come to her party. D. She told me I came to her party.
29. “My life’s got stuck these days. I am so depressed and unable to think of anything.” “__ ”
A. You will be tired. B. Stay stuck there,
C. Stay calm. Everything will be alright. D. No, thanks.
30. “Mom, I’ve got the first rank in class this semester!” “ ”
A. Well done! B. Thank you! C. Never mind! D. Let’s go!
You don't need the fans on in the classroom. .................................., please.
A. turn off it B. turn it off C. turn off them D. turn them off
4. Karachi is ................................... city in the world population.
A. the two largest B. the two larger C. The second largest D. the second larger
5. My parents once took me to Bat Trang village. I could make my own …….there. I really enjoyed it.
A. pottery B. lacquer C. painting D. Sculpture
6. In this town, they ………… all the frames in steel.
A. make B. have C. mould D. cast
7. She is skilled at………………… cloth
A. giving B. weaving C. doing D. carving
8. If you like, I can…………….flowers on the cushion covers for you.
A. grow B. make C. embroider D. knit
9.My grandfather is the……………oldest artisan in the village. Ngoc’s grandfather is the oldest.
A. firrst B. second C. most D. one
10.Do you know who’s…………… his pottery workshop ?
A. bringing out B. taking over C. pasing down D.turning down
11. Every time I fly to the United States, I get really bad .
A. asthma B. jet lag C. confusion D. recreation
12. Tower blocks from the 60s and 70s could be after Grenfell Tower fire.
A. got down B. let down C. turned down D. pulled down
13. The trip to the National Gallery has been until next Friday.
A. put off B. looked into C. turned up D. found out
14. The street food in Hoi An is delicious and .
A. available B. fabulous C. affordable D. fascinating
15. Life in Ho Chi Minh City is than we thought at first.
A. far the busier B. the more busier C. much more busy D. much busier
16. We are looking for someone who is and hard-working.
A. hopeful B. lacked C. reliable D. smooth
17. How can we encourage people to get along with each other in this society?
A. considerable B. multicultural C. rural D. crashing
18. _______ all our efforts to save the school, the authorities decided to close it.
A. Since B. Despite C. Although D. Because
19. The traditional craft has from generation to generation.
A. been passed down B. been passed by C. passed down D. passed
20. He still doesn’t know his budget when living alone in the city.
A. when to manage B. how to manage C. where to manage D. what to manage
21. Did you forget your purse purpose so you wouldn’t have to pay?
A. on B. of C. in D. for
22. He was sentenced to ten years in prison on charges of drug .
A. charging B. stealing C. trafficking D. trading
23. In recent years, there has been thousands of victims of sexual and physical .
A. sentence B. crime C. abuse D. conduct
24. Harrison’s greatest attribute is his ability to work pressure.
A. within B. under C. in D. on
25. My parents always criticize me for not getting good grades at school. I wish they put themselves
in my .
A. pants B. legs C. hands D. shoes
26. He wondered to tell the news to his parents.
A. why B. how C. what d. which
27. He a bachelor’s degree in computer information systems in 1951.
A. forced B. sent C. took D. gained
28. “You must come to my party,” she told me.
A. She told me I come to her party. B. She told me to come her party.
C. She told me I had to come to her party. D. She told me I came to her party.
29. “My life’s got stuck these days. I am so depressed and unable to think of anything.” “__ ”
A. You will be tired. B. Stay stuck there,
C. Stay calm. Everything will be alright. D. No, thanks.
30. “Mom, I’ve got the first rank in class this semester!” “ ”
A. Well done! B. Thank you! C. Never mind! D. Let’s go!
-“Would you like me to turn off your computer? - “ ______________. I’ll do it myself”
A. No, thanks
B. Yes, please
C. Don’t do it
D. Of course
-“Would you like me to turn off your computer?
- “ ______________. I’ll do it myself”
A. No, thanks
B. Yes, please
C. Don’t do it
D. Of course
-“Would you like me to turn off your computer? - “ ______________. I’ll do it myself”
A. No, thanks
B. Yes, please
C. Don’t do it
D. Of course
- “Would you like me to turn off your computer?
- “ ______________. I’ll do it myself”
A. No, thanks
B. Yes, please
C. Don’t do it
D. Of course