题目内容
Task 2
Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45.
Thousands of years ago, traveling was very hard. There were no roads and no cars. People traveled on rivers and lakes. They used logs, either one at a time, or tied together.
People then began to use animals to pull very heavy loads. Some people put
The main idea of the first paragraph is that ______.
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听力原文：Is this sharpener yours or his？
(3)
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？ ______
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。
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。
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