Elephants ....... sounds but human can't hear them
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MN
14 tháng 3 2021
6. Nuclear energy is unlimited but it is very _________to human beings and the environment.
A. extinct B.released C. endangered D. dangerous
7. The music _________ you are listening sounds really interesting.
A. which B.to that C. to which D. to whom
9. Dinosaurs became _________ millions of years ago.
A. develop B.extinct C. increase D. decrease
10. She is the woman _______ I told you.
A. to whom B. with whom C. about which D.about whom
13. It was the kind of accident for _________nobody was really to blame.
A. who B. whom C. that D.which
14. He is the singer about _________ I often tell you.
A. whom B. that C. him D. who
15. The 1stAsian Games _________ in New delhi, India in 1951.
A. were held B. are held C. was held D. is held
16. Walkers can unwittingly damage the fragile environment _________.
A. that the birds live B. where the birds live in
C. which live the birds D. in which the birds live
17. Oil, coal, and natural gas are _________fuels made from decayed material from animals or plants.
A. Fossil B.Smokeless C.Unleaded D.Solid
18. Only six _________ were played in the first Asian Games.
A. athletes B. sports events C. coaches D. spectators
19. ________ heat comes from deep inside the earth.
A. Geothermal B. Solar C. Nuclear D. Hydro
20. The sun, water and the wind are other_________sources of energy.
A. alternative B. replace C. electric D. useless
21. They won two gold_________in bodybuilding and billiards.
A. degrees B. awards C. prizes D. medals
22. Although there are some disadvantages, the potential of alternative sources of energy_________ great.
A. are B. is C. have been D. was
23. Thousands of national parks all over the world_________ to protect endangered animals.
A. has been established B. has been establishing
C. have been established D. have been establishing
24. The quality of athletes, officials and sports facilities _________ through time.
A. is developing also B. has also been developing
C. have also been developing D. are developing
25. They work in a hospital _________ by the government.
A. which sponsored B. was sponsored C. sponsored D. sponsoring
28. Many efforts have been made to protect ____ nature.
A. danger B. dangerous C. endanger D. endangered
18 tháng 8 2016
Sorry, but I can't hear ......... of you clearly
A: either B;neither C: none D: not any
18 tháng 8 2016
Sorry,but I can't hear ........... of you clearly
Đáp án : C
NV
Nguyễn Việt Dũng
CTVVIP
20 tháng 8 2023
1. That sounds a bit hi-tech, doesn’t it?
2. So, children can use them for several years, can’t they?
3. One shoe won’t fit everyone, will it?
4. That’s really useful, isn’t it?
5. People are wearing them in … , aren’t they?
29 tháng 12 2022
they are really rich, but they always seem unhappy. I doubt that money can't bring them happiness
19 tháng 2 2017
Đáp án B
Có thể suy ra từ đoạn văn rằng các âm thanh được tạo ra bởi cây ________.
A. tương tự cho dù là loại cây tạo ra chúng
B. không thể nghe thấy bằng tai người mà không có thiết bị trợ giúp.
C. rơi vào khoảng 1-20 kilohertz
D. làm việc như một hình thức giao tiếp giữa các cây
Thông tin ở câu: “According to one of the scientists, most parched trees transmit their plight in the 50-hertz to 50-kilohertz range. (The unaided human ear can detect no more than 20 kilohertz)” (Theo một trong các nhà khoa học, hầu hết các cây khô héo truyền tải tình trạng của chúng trong khoảng 50-hertz tới 50 kilohertz. (Tai người mà không có thiết bị trợ giúp chỉ có thể phát hiện âm thanh không quá 20 kilohertz.))
Elephant can hear sounds but human cannot hear them