A: considered
B: impressed
C: eflected
D: affected
举一反三
- Why does the earth become cool? A: Because the sun gives the heat to the earth. B: Because the moon gives the wind to the earth. C: Because the earth rotates . D: Because the sun's heat bounces to the space.
- Why is more earth's heat blocked from escaping with more carbon dioxide in the atmosphere A: Carbon dioxide prevents the sun's energy from going back into space. B: Carbon dioxide radiates the sun's energy onto the earth. C: Carbon dioxide produces more heat in the atmosphere. D: Carbon dioxide takes in the sun's energy at infra-red wavelengths.
- ____isthe center of our planetary system was considered as heresy by the church in the Middle Ages. A: It is the sun and not the earth B: That the sun and not the earth C: Being the sun and not the earth D: The sun and not the earth
- Without greenhouse gases, the heat radiated from the Earth's surface<br/>would____. A: remain where it is B: warm up the Earth C: escape to space
- If the sun did not ____ heat, the temperature of the earth would fall almost to absolute zero.
内容
- 0
The Australian aborigines’ way of“telling time”is based on ________. A: A.the change of the sun rays B: B.the movement of the earth in relation to the sun C: C.the position of the stone D: D.the position of the tree or the cliff
- 1
The accumulation of greenhouse gases (GHGs) causes global warming by letting sunlight into the atmosphere as _______. Then, when the earth re-radiates the heat back to space, the gases trap the energy in the form of outgoing ______. A: visible light, ultraviolet radiation B: infrared radiation, ultraviolet radiation C: ultraviolet radiation, infrared radiation D: infrared radiation, radio waves
- 2
What does the underlined word "it" in the second paragraph refer to A: Discovering the moon's inner space. B: Using the earth's inner space. C: Meeting the "moon people". D: Traveling to outer space.
- 3
______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.(1.0) A: It is the sun and not the earth B: Being the sun and not the earth C: The sun and not the earth D: That the sun and not the earth
- 4
When I went back to the parking lot, I tried to get into someone else's car by ____ mistake. A: by B: in C: with