主减速阶段结束,提升机进入爬行运行,其速度为()m/s。
A.0.5--1.5
B.1—2.0
C.大于2
参考答案:A
—Can I call on her next week?
—Yes, if ________.[ ]
A. you are convenient
B. you will be convenient
C. it is convenient to you
D. it will be convenient to you
把3.84扩大到它的1000倍是384.______.(判断对错)