Bộ đề thi thử THPTQG năm 2018 - Môn Tiếng Anh - 20 ĐỀ + ĐÁP ÁN - GV Kiều Thị Thắng - Tuyensinh247

A. They are balanced by the pressure of rain droplets.
B. The effect of gravity at high altitude is random.
C. They are kept aloft by air currents.
D. The heat from the Sun’s rays melts them.
Question47: What are water droplets?
A. They are ice crystals. B. They are small drops of dew.
C. They are watery fruits. D. They are animals living on ice.
Question48: What can be inferred about drops of water larger than 1/125 inch in diameter?
A. They never occur.
B. They are not affected by the force of gravity.
C. In still air they would fall to the ground.
D. In moving air they fall at a speed of thirty-two miles per hour.
Question49: What is the diameter of the average cloud droplet?
A. 1/16 inch B. 1/125 inch
C. 1/2500 inch D. one millionth of an inch
Question50: What is an example of precipitation?
A. rain B. lightening C. wind D. thunder
Đáp án
1 C 11 C 21 B 31 B 41 A
2 C 12 B 22 C 32 B 42 A
3 A 13 B 23 A 33 A 43 A
4 D 14 B 24 D 34 A 44 B
5 A 15 A 25 B 35 D 45 A
6 C 16 A 26 A 36 C 46 C
7 B 17 D 27 C 37 B 47 A
8 D 18 C 28 D 38 B 48 C
9 A 19 D 29 A 39 A 49 C
10 C 20 D 30 D 40 D 50 A