what is the nominal size?(在文中找到答案并翻译）

what is the tolerance?(在文中找到答案并翻译）

what is the clearance fit?（在文中找到答案并翻译）

what is the allowance?(在文中找到答案并翻译）

Please give two examples to explain the unilateral tolerance and bilateral tolereance.

Choose the best answer to each of the following questions according to Text B.Which of the following advantages of the Internet is not mentioned in Paragraph 1?

A. Watching movies.
Buying goods online.
C. Using online maps.
D. Communicating with friends.

When should we take a step back from the Internet?

A. When we prefer to shop and read news online.
B. When we tell others how much we like the Internet.
C. When we still think about the Internet when we are offline.

请将以下句子分别与上述阅读文章中的段落相匹配。

Choose the correct answer marked A, B, C and D.1. The theme of “Face to Face with Hurricane Camille” is _____.A. human being is more important than anything else in the worldB. John has learned a lesson from his own experienceC. people suffered from such a devastating hurricaneD. hurricane Camille is the greatest storm ever to hit the United States2. How many people are there in the house to fight against the hurricane?A. 11B. 13C. 10D. 153. How many onslaughts did hurricane hit the Koshak's house?A. three timesB. four timesC. onceD. many times4. When the sea water reached the house and destroyed the staircase, the Koshak’s family had to retreat to _____.A. the landingB. the outsideC. the TV roomD. the bedroom5. The antagonist in the story is _____.A. John KoshakB. Charlie HillC. the hurricaneD. the neighbor

For Americans, love does make the world go around.

A. 对
B. 错