What is the main idea about the passage？
A. Placing a satellite into orbit.
B. Multistage rockets.
C. Launching some satellites from aircraft.
D. Rocket launching.
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What did the man mean？
A. He never does assignments early.
B. He'll finish it in a few minutes.
C. He wrote it last semester.
下列经济业务中，不会引起所有者权益总额变动的是（）。
A. 所有者投入货币资金
B. 所有者向企业投入设备
C. 企业宣告向所有者分配现金股利
D. 企业以盈余公积转增资本
Generally speaking how many stages are there in a multistage rocket？
A. Two.
B. Three.
C. Four.
D. Five.
听力原文：W: Hurry up! The train will leave at 13:30.
M: Don't worry! We have half an hour left.
Q: What is the time now？
(9)
At 11:30 a.m.
B. At 9:30 p.m.
C. At 1:30 a.m.
D. At 1:00 p.m.
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