翠绿的小草和精灵的小猴一样,在生活过程中,都能 [ ]
A.吸收二氧化碳制造有机物
B.在制造有机物时放出氧气
C.通过光合作用促进水的吸收
D.通过呼吸作用消耗能量
答案:D
句型转换。
1. The boy did the work on his own. (同义句)
The boy did the work _______ _______.
2. Nature reserve can provide food and shelter for wildlife. (同义句)
Nature reserve can provide _______ _______ food and shelter.
3. She didn't come to the party because of the heavy rain. (对划线部分提问)
________ _______ she come to the party?
4. The box weighs 100 kilograms. (对划线部分提问)
_______ _______ does the box weigh?
5. What are they doing now? (用this time yesterday替换时间状语)
What _______ they _______ this time yesterday?
简述主再热汽压力异常的现象、原因。