正常人头发每日生长约为（）
A.0.51mm
B.0.35mm
C.0.28mm
D.0.42mm
E.0.53mm
参考答案：B
Choosing the right dictionary depends on_______you want to use it for.
A．what
B．why
C．how
D．whether
执行如下程序，最后S的显示值为 SET TALK OFF S＝0 i＝5 X＝11 DO WHILE s＜=Xs＝s+ii=i+1 ENDDO s SET TALK ON
A．5
B．11
C．18
D．26
