问题
问答题 简答题
油气分离器顶富气出口为何装破沫网？
答案
参考答案：
油气分离器顶破沫网用于分离气体中携带的液体，防止富气夹带汽油进入气压机。带液的气体经破沫网时，气体中的液滴与细丝撞击，附着在丝网上，随之下流至两根丝的接触处，当液滴聚集到一定体积时，液滴自动下落。
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油气分离器顶富气出口为何装破沫网？
参考答案：
油气分离器顶破沫网用于分离气体中携带的液体，防止富气夹带汽油进入气压机。带液的气体经破沫网时，气体中的液滴与细丝撞击，附着在丝网上，随之下流至两根丝的接触处，当液滴聚集到一定体积时，液滴自动下落。
| 阅读理解。 | ||||||||
| A greeting is a way of saying "Hello" to someone. People in different countries greet each other in different ways. Here are some.      a. a handshake b. a bow c. a kiss on the cheek d. a hug e. a pat on the back World Greetings
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| 1. In which country do men sometimes pat each other on the back? | ||||||||
[ ] | ||||||||
| A. Philippines B. Brazil C. Japan D. New Zealand | ||||||||
| 2. In this passage, which of the following is NOT mentioned (提及)? | ||||||||
[ ] | ||||||||
| A. Kisses B. Hugs C. Bows D. Handshakes | ||||||||
| 3. Of the five pictures above (a, b, c, d and e), which is the same way to greet each other in the four countries? | ||||||||
[ ] | ||||||||
| A. a B. b C. c D. d | ||||||||
| 4. Which of the following is TRUE according to the passage? | ||||||||
[ ] | ||||||||
| A. Both men and women shake hands in Brazil when they meet. B. Japanese won't smile until they feel very happy. C. The Maori often press their noses together to greet each other. D. In Philippines, people shake hands only when they meet for the first time. | ||||||||
| 5. What does the writer mainly want to tell us in the passage? | ||||||||
[ ] | ||||||||
| A. Different ways of greetings. B. Four countries. C. Some fun facts. D. Some special notes. |