Which of the following is NOT the reason why small green plants are very important to dry places
A: They keep the earth from becoming even drier.
B: They do not let wind blow the earth away.
C: They add color to the dry places.
D: They hold water.
A: They keep the earth from becoming even drier.
B: They do not let wind blow the earth away.
C: They add color to the dry places.
D: They hold water.
举一反三
- Small green plants are very important to dry places because ______. A: they don't let the sun make the earth even drier B: they don't let the wind blow the earth away C: all of the above
- What is the main idea of the first two paragraphs A: Green plants are very important to dry places. B: Land is becoming desert faster than scientists can change it back into good land. C: If scientists can bring water to desert, people can live and grow food there.
- 中国大学MOOC: Which of the following places on Earth makes a bad Mars analog?
- Which of the following places on Earth makes a bad Mars analog? A: The Arctic B: Antarctica C: Mojave Desert D: Amazon Rainforest
- The reason why all the solar energy falling on the earth can’t be utilized is that ______． A: only a very small part is available B: the sun is too distant from the earth C: it takes thousands of years for this energy to be stored up in coal and oil D: our scientific knowledge is not sufficient