is a frozen, unspoiled wilderness and the earth’s coldest continent.
Antarctica
举一反三
- Don't worry. It's safe to skate on the _____ lake. A: freezing B: frozen C: freeze D: having frozen
- _____ is covered with heavy snow. A: The earth’s surface B: The surface of earth C: The surface earth D: The earth surface
- what the analogy is: which two things are being compared?The earth’s atmosphere is like a blanket of gases around the earth. It is only a thin layer but it helps to maintain the temperature of the earth, keeping us warm. It also offers a layer of protection from the intensity of the sun. A: earth’s atmosphere and a blanket B: earth’s atmosphere and gases C: earth’s atmosphere and a layer of protection D: earth’s atmosphere and a blanket of gases
- Africa is the world's __________ largest continent located in the southern Hemisphere.
- Approximately (three - fourths) of (the earth's) surface (are) covered (with) water. A: three-fourths B: the earth’s C: are D: with
内容
- 0
So it's vitally important that each of us learns how to live with a ___________ connection, everywhere we go, whether it's in the wilderness or at a dinner party.
- 1
evaporate ________the Earth’s surface
- 2
It is possible to use satellites to predict earthquakes because satellites ________. A: take pictures of the Earth B: catch radio waves sent from the Earth’s surface C: are sensitive to Earth’s movements D: see almost the entire Earth
- 3
A variety of gases trapped in the Earth’s atmosphere can ensure life on Earth because they are ______.
- 4
This passage mainly talks about () A: the origin of the earth B: the origin of the ocean C: the history of the earth D: the forming of the earth’s crust