军事训练阶段计划,主要明确本阶段()、保障及主要训练活动等。
A、训练内容
B、时间分配
C、质量指标
D、措施要求
参考答案:A, B, C, D
用所给动词的适当形式填空:
1. The snow _______(stop) soon.
2. Would you like something _______(drink)?
3. Why _______ you _______ (not go) to the farm last Sunday?
4. Where _______ (be) you before the meeting began?
5. Thank you for _______ (help) me.
6. Will you please _______ (not walk) in class?
7. Lucy usually _______ (have) lunch at school.
8. _______ (not close) the window, please.
9. Tomorrow is Teacher's Day and I want _______ (buy) something for Mr. Wu.
10. It's 8 o'clock in the morning. He _______ (drink) milk and _______ (eat) bread.
单元式机组工作时机组振动大、噪音大、是什么原因?