Nhiệt độ nóng chảy giảm khi số lượng acid béo .... tăng A. Không no và mạch dài B. No và mạch ngắn C. No và mạch dài D. Không no và mạch ngăn

Glycerid được tạo thành do glycerol tác dụng với acid béo A. Đúng B. Sai

Lipid có vai trò: A. Cung cấp và dự trữ năng lượng B. Tham gia cấu tạo màng tế bào C. Tham gia cấu tạo các chất hoạt tính sinh học D. Câu A, B, C đúng

nêu vai trò của nước trong việc bón phân với cây trồng

Use between two and five words, including the word given, to complete the second sentenc so that it has a similar meaning to the first sentence

1. Fallen trees are blocking the main road, so we can't go into town by car

We.... go into if the main road wasn't blocked by fallen trees (able)

2. The Australian government passed the new environment laws because it believes they are necessary.

If the Australian government didn't believes the new environment laws were necessary, it ... them (not)

3. You can't go up to the rim of the crater without an office guide.

You can't go up to the rim of the crater ............ you there (unless)

Use between two and five words, incuding the word given, to complete the second sentence so that it há a similar meaning to the first sentence

1. The climbers sent the doctors some very good news

The news the doctors ....... very good. (received)

2. We were fully informed about how to travel safety round the country

They gave ........ about how to travel safety round the country (lot)

3. The travel agent guarantees that every exursion is included in the price of the holiday

The travel agent guarantees that ..... included in the price of the holiday (all)

4. Despite the delay, all the passengers were able to reach the cruise ship before it sailed

Despite the delay, ......... unable to reach the cruise ship before it sailed

5. He knows little about car engines

He ...... about car engines

.

Complete each sentence by choosing the correct alternative

1. He/It it understood that he was in Paris at that time

2. They are believed to be investigated/investigating the cause of the accident

3. She is expected to be/ have been promoted to editor in the near future

4. The company is expected to cut back/ it will cut backon advertising

5. They know/ are known to be interested in buying the newspaper

6. The bosses are thinking/ are thought about moving to a new building

7. The newpaper is reported/ is reporting to be under investigation

8. Some investigators are claied to use/ have used illegal menas of gathering information in the recent scandal

Viết lại câu theo từ trong ngoặc sao cho nghĩa ko đổi

1. I'm positive they đin't shoot those scenes on the plane while it was in the air.

Those scenes on the plane ........ while it was in the air. (been)

2. Everyone thinks the reporter had vital information aout the financial scandal

The reporter ....... vital information aout the financial scandal (to)

3. People say the talk show host is considering a move to another channel

The talk show host ...... a move to another channel (said)

4. They are planning a new series because this one has been very successful

A new series ...... because this one has been very successful (is)

5. There are reports that the newspaper's online service is very popular

The newspaper's online service ...... very popular (be)

6. They believe the newspaper printed five million copies of its last issue

the newspaper ...... five million copies of its last issue (have)

7. At on time they delivered newspapers to your door

At on time newspapers ........ to your door (used)

8. They knew the publishers had paid a large sum of money for the story

the publishers ...... a large sum of money for the story (known)

9. Everyone believes that some reporters have closse relationships members of parliament

some reporters ........ closse relationships members of parliament (believed)

10. They claim that the journalist's sources were commiting the crimmes they gave information about

the journalist's sources ......... commiting the crimmes they gave information about (are)