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25 tháng 10 2022

One of the biggest environmental impacts of human activities is air pollution

20 tháng 1 2022

24B

25. ... how long had he been here

26D => the following day

27C => lived

28. ... where the post office was

29. ... why they hadn't mention the problem before

30. ... if she often practiced speaking E with her patners

31C => was living

32. ... she was leaving for Hue the following day

33C => did

34. ... how many J students were there in his class

22 tháng 2 2021

???? đề bạn

22 tháng 2 2021

Lập câu hỏi khác đi bạn

24 tháng 5 2021

3,A

4,D

5,A

6,A

7.C

8.B

9,B

10,B

24 tháng 5 2021

1 B

2 C

3 A

4 C

5 A

6 A

7 D

8 A

9 B

10 C

30 tháng 10 2023

Elite (0) ...competitors..... like the Jamaican Usain Bolt have regularly been clocked running at nearly 45 kilometres per hours. Such speed would have seemed (1) ...unbelievable... not so long ago. Scientists now suggest that humans can move (2) .....even faster.... faster than even that, perhaps as fast as 65 kilometres  per hour

For years, it was assumed that simple muscle power determined human speed, but recent research suggest otherwise. The most important (3) ....limiting.... factor appears to be how quickly the muscles can contract and thus (4) ....reduce.... the time a runner's foot is in contact with the ground

Is our athletic ability inherited ? Researcher Alun Williams has (5) .....identified....... twenty - three inherited factors that influence sporting performance, such as the (6) ...efficient.... use of oxygen, and strength. As world population rises, predicts Williams, the (7) ....likelihood ..... of there being someone with the right genes for these twenty - three (24) ...characteristics .... will increase noticeably and thus faster runners are likely to emerge in future

15 tháng 5 2021

ảnh where

15 tháng 5 2021

Ko thấy câu hỏi

19 tháng 12 2022

1-A / 2-D / 3-A / 4-D / 5-C

Câu 5 mình ko chắc chắn lắm, mong bạn thông cảm. Chúc bạn học tốtvui

17 tháng 12 2021

I don't feel like going to the party tonight.

She is too old to have more children.

It is 20 years since tom and mary moved to Paris.

It is a long time since i last saw so much rain.

17 tháng 12 2021

1. advertisement

2. informative

3. interesting

4. native

5. workers

6. sales

7. enjoyable

8. well

9. fashionable