I. Choose the word whose main stress is placed diferently from the others .
1. a.reuse                            b.compost                     c.fabric                       d. mixture
2. a.plastic                            b. reduce                     c. metal                            d. glassware
3. package                            b . explain                        c.away                         d. instead
4. a.mosquito                             b.recycle                         c. deposit                   d.decompose
5. a.natural                                    b. animal                       c. afternoon                        d. vegetable

I/Gạch chân lỗi sai ở mỗi dòng trong đoạn văn sau rồi sửa sang bên

Nam is a student. This year he had a very interested summer              1/ ___________
holiday. He traveled, with him classmates, to a mountainous area        2/ ___________
in Hoa Binh province. They gone there to help make a road                 3/ ___________
through a forest among two villages. “ It was very difficult                     4/ ___________
because there had no water to drink and no shops where we               5/ ___________
could bought food,”said Nam. “ It was very cold and wet                       6/ ___________
in the mountains. It is one of the wetter places in the country.”              7/ ___________
Nam stayed in the mountains since six weeks. It was hard work,          8/ ___________
But he says it was the best thing he has ever did. He is hoping             9/ ___________
to return next year to do any more work there                                       10/ __________

Rewrite

1.Under no circumstances should you phone the police

=> The last_______________________________________________________________________

2.I wasn't a bit surprised to hear that karen had changed her job

=> It came________________________________________________________________________

3.I'm absoluetly sure he took the money on purpose

=>He couldn't possibly_______________________________________________________________

4.He had no idea how difficult the task would be until he was half away through it

=>Not until_________________________________________________________________________

5.They had a fierce dog that nobody would visit them

=>So______________________________________________________________________________

6.The presidental visit attracted such an enormous crowd that all traffic came to a standstill

=>So______________________________________________________________________________

7." Go ahead and use my computer" said he

=>He gave__________________________________________________________________________

8.He can't express his ideas in English. ( himself )

=>He can't make______________________________________________________________________

give the correct forms of the words given in brackets

1. don't talk ...... you should think carefully before saying anything.  (sense)

2. the thief got into the house easily because the door was left.....  (lock)

3. sam was accused of stealing some..... documents from the safe (confidence)

4. the increase in population has led to ............ in many cities  (crowd)

5. sue seems to have the......... idea that she can succeed without studying.   (mistake)

6. the.............. of space is very interesting and useful.  (explore)

7. this form must have the .......... of the writer.  (sign)

làm ơn giúp em bài này với.

chưa bao giờ em nhớ mái trường thân iu của mình đến vậy!!!.... huhu

1.Một con cá đang bơi dưới hồ nước, con cá đang ở vị trí cách mặt nước 2 m. Khối lượng
riêng của nước là 1000 kg/m 3 . Áp suất khí quyển là 76 cm Hg. Trọng lượng riêng của thủy ngân là
136000 N/m 3 . Con các đang phải chịu áp suất là:
A. 123360 Pa B. 103360 Pa C. 20000 Pa D. 2000 Pa
2: Một con cá chuối đang bơi dưới hồ nước sâu 6m, con cá đang ở vị trí cách đáy hồ 1 m.
Khối lượng riêng của nước là 1000 kg/m 3 . Diện tích xung quanh con cá là 4 dm 2 . Áp lực nước gây
tác dụng lên con cá là:
A. 2400 Pa B. 240 Pa C. 2000 N D. 200 N