Có một ống bê tông rớt xuống mương(hình vẽ) 1.Nếu bạn học sinh kéo trực tiếp lên(chỉ dùng dây buộc)thì có những khó khăn nào? 2.Em hãy nghỉ cách dùng các máy cơ đơn giản thích hợp.Vẽ hình minh họa và chỉ rõ mỗi loại máy cơ đơn giản trong hình vẽ có tác dụng gì trong công việc trên.

Rewrite: 1/ She can’t be employed because she doesn’t have a college degree.-> If ____________________ 2/ I don’t have enough money. I can’t go on a long holiday this year.- If -____________________________ 3/ He is very slow, so we won’t give his such an important task.-If _______________________________________ 4/ I’ll have to work this Sunday, so I shan’t join your picnic. - If _______________________ 5/ He works overtime to get more money because he has to pay father’s debt. If 6/ City life isn’t enjoyable because everything is very expensive. If _____________________ 7/ She got bad mark because she didn’t learn hard. If ______________________________________________ 8/ Be careful or you will make accidents. If ______________________________________________ 9/ I got lost because I forgot the map. If ______________________________________________ 10/ If anyone didn’t come, we would phone you at once. =>Unless _______________________ 11/ They were very angry because their friends didn’t come on time. If 12/ I would refuse to go unless they paid my expenses. - If_______________________________________ 13/ I don’t agree with his economic policy. I wouldn’t vote for him unless he changed it. -________________

Tìm và sửa lỗi giúp em với ạ. Em xin cảm ơn.

Xác định thành phần chong câu sau A,chồng cây cũng như chăn nuôi ,tôi vẫn biết và yêu thích từ lâu . B,tiếng cười nói xôn xào của đám học trò cũ làm nó ngỡ ngàng. C, mọi người,kể cả nó,đều nghĩ là cô sẽ phạt

Vẽ sơ đồ cấu tạo hệ tuần hoàn máu

các bn giải giúp mik bài 3 và 4 nha

giúp mình với nhanh tay được 5 sao + câu trả lời hay nhất

tìm x thuộc z xy - 7x + 5y = -2

Tam giác ABC vuông cân tại A, cạnh BC bằng căn bậc 2 của 8 cm thì AC là:

VII. Rearrange the words to make meaningful sentences live / on / in / not / aunt / does / small / Hung Vuong Street / house / a/ my. …………………………………………………………………………..…………………… these / notebooks / their / new / are ? …………………………………………………………..…………………………………… there / wall / picture / is / in / a / your / the / on / living-room? …………………………………………………………………………..…………………… city / it / in / is / house / house / a / the / is / big / Lan’s / and. ……………………………………………………………………………...………………... years / a / Mrs. Nga/ teacher / and / thirty-two / old / she / is / is. …………………………………………………………………..…………………………… VI. Change these sentences in the plural 1. What’s this ? It’s a bench.………… ……………………………………………………….. 2. Is that her knife? …………………………………………………………………….. 3. This woman has a child. …………………………………………………………………….. 4. The policeman is in his room.………………… ………………………………………………….. 5. Does he has a white tooth? ………………………………………………………. VII. Make questions for the undrelined words 1. Mai is not very well today.....................................................................................? 2. The man in the car is our new teacher.............................................................................? 3. There is a board on the wall.............................................................................................? 4. My sister lives on Le Qui Don Street.........................................................................? 5. No. She is a nurse............................................................................................? 6. My brother gets up at a quarter to six.......................................................................................? 7. Her mother is a teacher..............................................................................................? 8. There is a lamp by the telephone............................................................................? 9. Nam goes to school with his friends.………………………… …………………………? 10. Tuan does his homework in the evening.………………………………………..……………….?