问题：
[单选] 副交感神经对体循环的主要作用是影响（ ）
副交感神经对体循环的主要作用是影响（ ）
问题：
[单选,材料题] Which of the following shows that a person is NOT dreaming in his sleep?
Which of the following shows that a person is NOT dreaming in his sleep?
问题：
[单选,材料题] The subject of this passage is ________．
The subject of this passage is ________．
问题：
[单选,材料题] Which of the following is the best title of the article?
Which of the following is the best title of the article?
A . combine
B . complain
C . comprise
D . complex
A . procession
B . professor
C . mission
D . pressure
问题：
[单选,材料题] The reason why all the solar energy falling on the earth can’t be utilized is that ______．
The reason why all the solar energy falling on the earth can’t be utilized is that ______．
