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vongoctienlqd
2 năm trước
Tóm tắt+giải dùm với ạ Máy bay trực thăng khi cất cánh động cơ có công suất 95600W tạo ra một lực tác động 7500N nâng máy bay lên. a) Tính công của động cơ thực hiện trong 45 giây. b) Tính quãng đường máy bay nâng lên theo phương thẳng đứng trong thời gian đó.
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IV. Replace the words in brackets in the following sentences with a suitable phrasal verb. Put the verbs in the correct form. back up break up do up get off go into go round go through hang out with hold down keep up with let down look down on take in take on turn off 57. We have to stick together on this. I’ll speak to the manager, but you’ve got to ………………………. me ……………………………………..…. 58. I warn you - I’m very fast. You won’t be able to ………………………………………..……..…. me. 59. My father gives money to homeless people in the street, but he still ……………………………..…. them. 60. What’s happened to me and Justin? We …………………….…………………………………..…. ages ago. 61. Actually, Justin ……………………………………..…. me ……………………………………..…. badly. He had promised to take me with him to America. 62. There are seven of us, aren’t there? I’ve got some sandwiches, but not really enough to ………………………………………..……..…. 63. This year has been pure hell. I couldn’t ………………………………………..……..…. that again. 64. What’s wrong with that guy? That’s the fifth time he has been sacked this year. Why can’t he ………………………………………..……..…. a job? 65. We really have to ……………………………………..……..…. this bathroom. Look at the state of it! 66. Be realistic. Avoid stress. Don’t ………………………………..……..…. more work than you can do. 67. Are you still ………………………………………..……..…. that weird guy Andrew? Oh, you married him - I’m sorry! 68. There are a lot of reasons for this, but I can’t ……………………………………..……..…. them now. 69. My son was arrested for assault, but he ……………………………………..……..…. with a warning. 70. If the idea of sick people ……………………………..……..…. you …………………………………., a career in nursing is not for you. 71. That’s enough computer science for one day! I just can’t ………………………………………..… any more.

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