On my way home, I stopped________(get) some gas

Hey, please stop________!There's an exam in the next classroom (shout)

Before you go to sleep, don't forget_____(lock) the door

The teacher was very angry because I forgot_________my homework

Please try(speak) ________more clearly. I can't make out a word you're saying!

let's try_______some mexican food for a change

fortunately I remembered_______an email to my manager about the result of meeting( send)

II/ Rewrite the following sentences with the meaning unchanged:

1. Shall we go for a walk ? What about ………………………………….?

2. Why don’t we visit our teacher ? I suggest …………………………

3. I am very pleased that we shall meet again soon. I’m looking ……………………

4. It is really quite easy to learn English . Learning ………………………

.5. I don’t want to go to the movie tonight. I don’t feel like ………………………………

6. Complaining about the matter is useless now. It is ……………………

7. It’s not a good idea to travel during the rush hour. It’s better to avoid …………………….

8. I expect that he will get there by lunchtime. I expect him ……………………………

9. I remember someone telling me the news. I remember being………………………..

10. Could you turn the radio down, please? .Would you mind ……………………………………?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

A ghostly animal creeps silently through a Florida swamp. It’s a rare type of big cat known as a Florida panther, one of only 80 to 100 such panthers left in the world. Scientists must work to save these remaining panthers from extinction, but their secretive nature is making it difficult. They are attaching a special transmitter to each Florida panther so they can follow their movements, range, and habits. The technology these transmitters use is called satellite tracking.

The scientists are dedicated professionals, but they are not pioneers. Their colleagues before them have attached tiny transmitters to many different kinds of wild animals, including birds, fish, and big cats. So the Florida scientists are using their methods. Firstly, they must trap and tranquillize the panther. Then, the transmitter is attached to a harness and strapped to the panther’s body. Each harness is custom designed and manually adjusted for panthers so it fits comfortably. Scientists don’t want the transmitter to interfere with the panther’s natural habits. The point of tracking them is to find out as much as they can about their natural habits.

Once the tracking transmitter is in place, the information it records is sent to an orbiting satellite. The satellite can see the transmitter that is attached to the panther, even when it is out of sight of a biologist on the ground. The satellite collects information from the transmitter about the

panther’s exact location. Once the information is received, it is transmitted back to Earth so it can be recorded by the scientists.

Scientists can use the information in many different ways. They can follow the panthers on the ground and observe their behavior. Alternatively, they can use the information to determine the panthers’ ranges and to understand their social patterns. They can also track how environmental changes like weather conditions affect their movements and health. All this information can be used to provide ideal conditions for the endangered panthers. It can also be used to protect the panthers from danger.

In the end, the panther silently slips away through the trees. Around its shoulders a transmitter is sending signals via satellite to a dedicated biologist. The biologist is using the information the transmitter provides to save the Florida panthers from extinction. With the help of satellite tracking these beautiful cats have a better chance of survival in the modern world.

(Adapted from http://www.thereadingplanet.com)

The phrase "custom designed" in paragraph 2 probably means                                       .

A. specially made for panthers

B. functioned according to a custom

C. skilfully created by hands

D. created by famous designers

Hỗn hợp X gồm 2 axit đơn chức, hở kế tiếp nhau trong dãy đồng đẳng. Lấy m gam X cho phản ứng với 75 ml dung dịch NaOH 0,2M. Sau phản ứng phải dùng 25 ml dung dịch HCl 0,2M để trung hoà kiềm dư, cô cạn dung dịch được 1,0425 gam hỗn hợp muối. CTPT của 2 axit là

A. C₂H₃COOH; C₃H₅COOH

B. CH₃COOH; C₂H₅COOH

C. C₃H₇COOH; C₂H₅COOH

D. HCOOH; CH₃COOH

Hóa hơi hoàn toàn 2,9 gam chất hữu cơ A chứa C, H, O thu được thể tích bằng thể tích của 2,2 gam CO₂ trong cùng điều kiện. Mặt khác 2,9 gam A tác dụng với lượng dư AgNO₃/NH₃ thu được 21,6 gam Ag. Vậy tên của A là:

A. Fomandehit

B. Axetandehit

C. Andehit oxalic

D. Andehit propioic