大型建筑工程或者结构复杂的建筑工程,可以由()以上的承包单位联合共同承包。
A.两个
B.三个
C.四个
D.五个
参考答案:A
煤磨开车前的联系和检查工作是什么?
Jack is good, kind, hard-working and intelligent. ______, I can't speak too highly of him.
A.As a result
B.By the way
C.In a word
D.On the contrary