质量为200g的苹果被匀速托起，图中表示苹果受力的示意图正确的是：[ ]
A.
B.
C.
D.
答案：A
The bike requires _________. She requires the work _________ in ten minutes.
A．repairing; be finished
B．repaired; will be finished
C．to be repaired; is finished
D．to repair; be finished
标准唇形的唇峰在（）的延长线上。
A、内眼角
B、外眼角
C、鼻翼
D、鼻孔外缘
