Cho biết màu của điện trở A)57K ôm sai số 2% B)2.5 k ôm sai số 5% C)5 M ôm sai số 5% D 250 ôm sai số 2.5

Nêu điểm giống và khác nhau ở bộ NST của ruồi giấm đực và cái

Giúp em với ạ kskzkckfkdkskxmcjdiowkskcjfidosksjcjfiwokajxjfieowk

Em hay ke lai doan trich chi em thuy kieu cua Nguyen Du trong do co su dung yeu to mieu ta va bieu cam

The journey to the village was very interesting to the boys . =>The boys haven’t ………………… They began building this house 2 months ago. =>They have ………………………..……… He hasn’t been back to his village for over 20 years . =>It’s …………………………………

Ý nghĩ chi tiết cái yếm đỏ trong Tấm Cám

Cho câu chủ đề "Lão Hạc là một người hết mực yêu thương con và giàu lòng tự trọng". Hãy viết đoạn văn 11 câu theo lối diễn dịch nêu cảm nhận của em về nhân vật lão Hạc, trong đó có sử dụng 1 câu ghép và 1 trợ từ.

Bài tập 1: Viết chương trình hiển thị ra màn hình * * * * * * * * * * * * * * * * * * * * * * * *

bài số 5555, làm cả bài đấy nhé

TESTc. Choose the best answer among A, B, C or D to complete each sentence. 1. He was writing to his friend when he __________a noise. A. was hearing B. heard C. had heard D. hears 2. I __________many people since I came here in June. A. met B. has met C. was meeting D. have met 3. We __________ maths at this time last week. A. were learning B. are learning C. was learning D. learnt 4. She was playing games while he __________a football match. A. watched B. watches C. was watching D. watching 5. She __________to Ho Chi Minh city last year. A. goes B. has gone C. go D. went 6. Since we came here, we ______ a lot of acquaintances. A. have had B. had C. have D. are having 7. __________he playing football now? A. Will B. Does C. Was D. Is 8. Every morning, I often sit in my garden and____ to my nightingale sing. A. listening B. listen C. listened D. listens 9. She __________school when she was six. A. start B. started C. has started D. are starting 10. I. __________TV when the telephone rang. A. watched B. was watching C. are watching D. have watched 11. She__________ lunch by the time we arrived. A. had finished B. finished C. have finished D. finishing 12. This record-shop__________ be a book-shop a few years ago. A. used to B. use C. used D. used 13. I couldn't come to the party because I __________go to work. A. have B. had to C. have got D. had 14. Yesterday, I _______ for work late because I _______ to set my alarm. A. had left / forgot B. was leaving / was forgetting C. left / had forgot D. had been leaving / would forget 15. By the time we ____ to the train station, Susan _____ for us for more than two hours. A. will get / has been waiting B. got / was waiting C. got / had been waiting D. get / will wait 16. While her brother was in the army, Sarah ___________ to him twice a week. A. was writing B. wrote C. has written D. had written 17. The Titanic _______ the Atlantic when it _______ an iceberg. A. was crossing / struck B. had crossed / was striking C. crossed / had struck D. is crossing / strikes 18. In the 19th century, it _______ two or three months to cross North America by covered wagon. A. took B. had taken C. had taken D. was taking 19. Last night at this time, they _______ the same thing. She ______ and he ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬_________ the Newspaper. A. are not doing / is cooking / is reading B. were not doing / was cooking / was reading C. was not doing / has cooked / is reading D. had not done / was cooking /read 20. When I _____ home last night, I ____that Jane ______ a beautiful candlelight dinner. A. had arrived / discovered / prepared B. was arriving / had discovered / was preparing C. have arrived / was discovering / had prepared D. arrived / discovered / was preparing