洗手前将衣袖向上卷至腕上()
A.5cm
B.10cm
C.15cm
D.20cm
E.25cm
参考答案:D
After class, we _____ to talk about the film that we saw just now. [ ]
A. go on
B. continued
C. lasted
D. went for
方案比选一般以( )法为主。
A.静态分析
B.动态分析
C.定量分析
D.定性分析