更多"In this park, sparrows often fly do"的相关试题:
[单项选择]Why did people cut down trees
A. For advantage.
B. For benefit.
C. For house.
D. For business.
[单项选择]______ trees are cut down in the forests every year.
[单项选择]Some trees are cut down each year and ______ are left to grow even taller.
A. the rest
B. a rest
C. rest of them
D. a rest of them
[单项选择]Trees take harmful gas from the air, and ______ oxygen (氧气)into the air.
[单项选择]Trees take harmful gas from the air, and ______ oxygen (氧气) into the air.
[单项选择]What happened to the leaves falling from the trees in the second study
A. They broke down and the main parts turned into oxygen.
B. They broke down and the carbon content had mainly turned into carbon dioxide.
C. They broke down and the carbon content was mainly absorbed in the soil.
D. They absorbed more carbon dioxide.
[单项选择]It took us five hours to get down from the mountain. After having a rest we to the nearest village.
A. proceeded
B. advanced
C. progressed
D. plunged
[单项选择]Some folk songs have been ______ down from one generation to another.
A. sent
B. gone
C. come
D. passed
[单项选择]Softwood comes from cone-bearing trees, which is ______ conifers(针叶树).
A. planted
B. called
C. watered
D. laid
[单项选择]By cutting down trees we _______ the natural habitat of birds and animals.
A. damage
B. injure
C. hurt
D. wound
[单项选择]By cutting down trees we ______ the natural home of birds and animals.
A. harm
B. hurt
C. injure
D. damage
[单项选择]It usually takes much less time to fly from one country to another than traveling by train.
A. less
B. another
C. traveling
D. by
