题目内容

听力原文：Is this sharpener yours or his？
(3)

A. No, it's his.
B. It's in the box.
C. It's mine.
D. Yes, it is my sister's.

查看答案

搜索结果不匹配？点我反馈

更多问题

Task 1
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
The Earth has a force that pulls things toward itself. We call this force gravity (地心引力). This is something we live with all the time, and we take it for granted and hardly ever think about it. But it is a most important factor in rocket operation and
What is the most important factor for a rocket to escape from the Earth？ ______

A. To travel as fast as it can.
B. To overcome the Earth gravity.
C. To get away from the air resistance.
D. To have strong power in its operation.

某双代号网络计划如图4-3所示，则工作C的自由时差为()天。

A. 0
B. 1
C. 2
D. 3

某分部工程双代号网络计划如图4-1所示，其关键线路有()条。

A. 2
B. 3
C. 4
D. 5

某工程双代号时标网络计划如图4-2所示，其中工作A的总时差为()。

A. 0
B. 1
C. 2
D. 3