横道图与网络图比较不正确的是( )。 A．横道图形象直

搜题请搜索小程序“爱下问搜题”

问题单项选择题

横道图与网络图比较不正确的是( )。

A．横道图形象直观、易于编制和理解
B．横道图不能明确反映各项工作之间错综复杂的相互关系
C．不能反映工作之间的相互搭接关系
D．不能反映出各工作所具有的机动时间

答案

参考答案：C

单项选择题

临床判断龋质是否去净，主要依据（）

A.硬度

B.色泽

C.有无敏感点

D.A+B

E.B+C

填空题

用所给词的适当形式填空。

1．________ your sister ________(like) cold weather?

2．Jim can ________ in the river. He often ________. He likes ________ a lot. (swim)

3．Maria ________(not do) housework last Sunday.

4．It's a beautiful ________(sun) day. Let's ________(go) to the park.

5．My uncle ________ many things. He likes ________ things. Now, he ________ a new machine. (make)

6．John wants ________(ride) the machine like a bike.

7．Thank you very much for ________(teach) us so well.

8．Mr. and Mrs. Brown have two ________(child).

9．How many ________(play) are there on the playground?

10．Mr. Wu often goes ________(fish) at East Lake.