问题
单项选择题
发动机的正常关停通过（）实现。
A.关断点火器电源。
B.切断发动机的燃料供应。
C.关闭可转导叶。
D.关断空气排放阀。
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
发动机的正常关停通过（）实现。
A.关断点火器电源。
B.切断发动机的燃料供应。
C.关闭可转导叶。
D.关断空气排放阀。
参考答案：B
| 选词填空。 | |
2. One ______ not ______ cross the street against the traffic rules. 3. The workers are doing all they can to ______ the accident rate. 4. She ______ because she was on a diet. 5. He is heavily ______. 6. I'll see the film ______. 7. The teacher ______ by teaching. 8. Tom was very angry and ______ me. 9. She ______ a lot of ______ last winter. 10. Don't ______ when you are late for school. |