cho A (1,4) tìm hình chiếu của A lên õx ,oy và (d) x-2y +2 =0
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Nội qui tham gia "Giúp tôi giải toán"
1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;
2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.
3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.
Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.
1. Much scientific work requires a good knowledge of mathemas.
2. We have to admire her determination to learn English.
3.The doctor told me to breath in slowly.
4.I'm interested in your project because it is interesting.
5.He drives carelessly .as a audult, he often has accidents.
6.I don't feel at ease when living with him in the same room.
7. He had little schooling, that's way he didn't have good education.
8.I'm extremely sorry for the delay.
9.He was sacked for his carelessness when he controlled the new machine.
10.Isaac Newton was a very famous scientist of England.
I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (0,2x 10 = 2pts)
1. A. promised B. hoped C. booked D. burned
2. A. though B. ought C. thought D. bought
3. A. hard B. carry C. card D. yard
4. A. try B. why C. heavy D. dry
5. A. cool B. food C. look D. Flood
Key:
1. D
2. A
3. B
4.C
5.D
~.~
ill in the blank spaces with the present perfect simple or the present perfect progressive of the verb in brackets. Sometimes both tenses are correct.
1. I (clean) ___have been cleaning___ the house all day so I feel tired
2. She (not buy) __hasn't bought___ any new clothes for years
3. My hands are dirty because I (garden) ___have been gardening___
4. We (wait) __have been waiting____ for hours but she (not arrive) __hasn't arrived____ yet
Dư chữ "a" nha bạn, câu đúng là Teaching is hard work, but I enjoy it because I love working with children
The furniture is so old that it's not worth keeping
=>This is an very old furniture that it's not worth keeping
Lucy hasn't worn the dress since Barbaba's wedding
=> The last time Lucy wore that dress was at Barbara's wedding.
Shirly didn't begin to read until she was 8.
=> It wasn't until Shirley was eight years that she began to read.
~.~
He prefers golf to tennis .
-> He’d rather golf than tennis .
Nhớ k đung cho mình nha !!!
ek ! cạu định là toán hây viết tiếng việt thành tiếng anh vậy ???