【单选题】先张法预应力混凝土构件,预应力总损失值不应小于( )。
【单选题】Let's go to the chemist's shop _____ we can get the medicine we need. [ ]
【单选题】听力原文:W: Hello, Patrick, is that you? M: Yeah Jane, what can I do for you? W: I was calling about the apple tree that you were trimming yesterday. M: That was hard work! W: I'm sure it was. It sure loo...
A.
He picked up some apples in his yard.
B.
He cut some branches off the apple tree.
C.
He quarreled with his neighbor over the fence.
D.
He cleaned up all the garbage in the woman's yard.
【单选题】Which of the following is the best title for this passage?
A.
Where Can We Get Vitamin D?
B.
Do You Have Enough Vitamin D?
C.
What Are the Functions of Vitamin D?
D.
Can Vitamin D Improve Your Athletic Performance?
【判断题】蔡元培企图用一些西方的美学的理论来解释《红楼梦》。
【单选题】长期平均成本LAC曲线表示()
A.
厂商在长期内在每一产量水平上实现的最大的平均成本
B.
厂商在长期内增加一单位产量所引起的最低总成本的增量
C.
厂商在长期内增加一单位产量所引起的最低平均成本的增量
D.
厂商在长期内在每一产量水平上可以实现的最小的平均成本
【判断题】“永平求法”与“伊存授经”同为佛教初传中国的两大历史事件。()