问题
问答题 简答题
涡轮风扇发动机的三个主要技术参数是什么？
答案
参考答案：
1）涵道比
2）涡轮前温度
3）增压比
搜题请搜索小程序“爱下问搜题”
涡轮风扇发动机的三个主要技术参数是什么？
参考答案：
1）涵道比
2）涡轮前温度
3）增压比
| 阅读下面短文，掌握其大意，然后从各小题所给的四个选项中选出最佳选项。 |
| When you wave (挥手) to a friend, you are using sign language. When you smile at someone, you mean to be 1 .When you put one finger (手指) in front of your 2 you mean "Be quiet." Yet, people in different countries may use different sign languages. Once an Englishman was in Italy. He 3 speak little Italian. One day while he was walking in the street, he felt 4 and went into a restaurant. When the waiter came, the Englishman 5 his mouth, put his fingers into it and took them out again and moved his lips (嘴唇). In this way, he 6 to say, "Bring me some thing to eat." But the waiter brought him a lot of things to 7 . First tea, then coffee, then milk, but no food. The Englishman was 8 that he was not able to tell the waiter he was hungry. He was 9 to leave the restaurant when another man came in and put his hands on his stomach (肚子). And this sign was 10 enough for the waiter. In a few minutes, the waiter brought him a large plate of bread and meat. At last the Englishman had his meal in the same way. |
| ( )1. A. nice ( )2. A. eye ( )3. A. can ( )4. A. hungry ( )5. A. washed ( )6. A. dared ( )7. A. eat ( )8. A. happy ( )9. A. quick ( )10. A. good | B. friendly B. hand B. be able to B. tired B. opened B. meant B. drink B. glad B. slow B. bad | C. fine C. mouth C. able to C. sad C. closed C. had C. carry C. sorry C. ready C. bright | D. well D. arm D. could D. worried D. touched D. decided D. play D. afraid D. quiet D. wrong |
