user-avatar
dquynh1792
2 năm trước
chọn từ thích hợp điền vào chỗ trống -trong các .... làm bằng kim loại luôn tồn tại các ... thoát ra khỏi .... mang...., chúng chuyển động tự do trong... gọi là các ..... tự do . Phần còn lại của .... mang .... - ..... trong kim loại là dòng các .... tự do dịch chuyển có hướng, ngược với quy ước về chiều của .....
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Find the word which has a different sound in the underlined part. 1. A. square B. badminton C. grandfather D. match 2. A. idea B. reason C. feature D. teacher 3. A.easy B. please C. weak D. pear 4. A. goggles B. sport C. stop D. not 5. A. match B. machine C.champion D.chess IV. Choose the correct answers. 1. I usually play football when I have . A.spare time B.good time C.no time D.times 2. In team sports, the two teams against each other in order to get the better score. A. are B.do C.make D.compete 3. draw on the walls and tables, please . A.Do B.Don't C.Should D.Shouldn't 4. Nam plays sports very often, so he looks very . A.sport B.sports C.sporty D.sporting 5. Last summer, I fishing with my uncle in the afternoon. A.go B.went C.goes D.going 6. I like watching football matches, but I am not very good playing football. A. at B. in C.on D.for 7. Team sports are sometimes called sports. A.compete B.competition C.competitor D. competitive 8. " do you do judo?" - "Twice a week.". A.When B.Where C.How often D.Why 9. sports do you like watching on TV? . A. How B. What C. Do D. How often 10. Football is regarded the most popular sport in the world. A. for B. as C. like D. of 11. Sports and games an important part in our lives. A.play B.do C. go D. make 12. When you go to the zoo, don't the animals. A.play B. do C. tease D. watch 13. Playing sports helps us get . A. fat B.free C.fittest D.fitter 14. Nam's dream is to become a . A. loser B.champion C.contest D.gamer 15. "I'd like to watch motor racing because it is very ." A.frightening B.exciting C.excited D.boring 16. My sister often badminton in her free time. A.play B.plays C.playing D.to play 17. Marathon is considered a/an sport. A. team B.individual C.indoor D.sporting 18. Our school football team the match with Tran Phu School last Sunday. A.wins B.won C.scores D. scored 19. Tam three goals for our team and made it a hat trick. A.scores B.scored C.plays D.played 20. Blackburn Rover is at the bottom of the league. They most of their matches this season. A. played B.won C.lost D.scored I. Choose the word whose underlined part is pronounced differently from the others. 1. a. free b. team c. read d. idea 2. a. swimming b. skipping c. driving d. fishing 3. a. racket b. skateboard c. games d. player 4. a. thing b. father c. healthy d. three 5. a. rackets b. goggles c. skis d. skateboards II. Choose the word that has the underlined part pronounced differently from the rest. 1. a. fear b. near c. really d. wear 2. a. their b. hair c. series d. there 3. a. spare b. play c. game d. table 4. a. keep b. cheer c. meet d. week 5. a. sphere b. series c. here d. where III. Choose the best answer a, b, c or d to complete the sentence. 1. My friend Mark is very good ________ volleyball. He plays volleyball very well. a. in b. on c. at d. with 2. We often go swimming ________ Sunday morning. a. in b.on c.at d. for 3. Football is an example of a ________ sport where you play with several other people. a. team b.individual c.indoor d.dangerous 4. We were very upset when our favourite team didn’t ________ even one goal. a. play b.kick c.point d. score 5. Badminton requires only a net, a racket, and a birdie or ________. a. ball b. ski c. shuttlecock d. goggles 6. The person who makes sure that a game is played according to the rules is called a ________. a. coach b. referee c. judge d. player 7. ________ up the tree! You’ll fall down. a. Climb b. Climbing c. Not to climb d. Don’t climb 8. ________ spectator sports in Britain are cricket and football. a. More popular b. The more popular c.Most popular d. The most popular 9. ________ are the Olympic Games held? - Every four years. a. When b. Where c.How long d.How often 10. Which sport happens in a ring? a. Boxing b. Basketball c.Aerobics d.Swimming HELP ME!!!

Câu 1: Bộ ba số nào sau đây có thể là độ dài ba cạnh của một tam giác vuông? A. 3cm; 2cm; 5cm; B. 8cm; 6cm; 10cm; C. 4cm; 9cm; 12cm ; D. 3cm; 9cm; 14cm; Câu 2: Cho tam giác MNP có Nˆ = 680 , Pˆ = 400 . Khi đó so sánh các cạnh từ lớn đến bé là: A. NP > MN > MP; B. MN < MP < NP; C. NP < MP < MN; D. MP > NP > MN Câu 3: Cho tam giác ABC có Â = 500 , Bˆ = 350 . Cạnh lớn nhất của tam giác ABC là: A. cạnh AB B. cạnh BC C. cạnh AC D. cạnh CB Câu 4: Cho tam giác ABC có AB = 6cm, BC = 8cm, AC = 5cm. Khẳng định nào sau đây là đúng. A. Â < Bˆ <Cˆ ; B. Bˆ > Â >Cˆ C. Â < Cˆ < Bˆ D. Â > Cˆ > Bˆ . Câu 5: Cho ABC vuông tại B có AB = 3cm, AC = 5cm, BC = 4cm. Khi đó ta có: A. Â < Bˆ < Cˆ ; B. Cˆ < Bˆ < Â C. Â < Cˆ < Bˆ D. Cˆ < Â < Bˆ . Câu 6: Cho ABC có Â > 900 và Bˆ > Cˆ . Khẳng định nào sau đây là đúng. A. AB > AC > BC B. AC > AB > BC C. BC > AC > AB. D. BC > AB >

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team