孕早期是指
A．孕8周以前
B．孕12周以前
C．孕12周以后
D．孕16周以内
E．孕20周以内
参考答案：B
解析：本题是考查对孕早期时间范围的掌握。
Who is ______ of the three young men?
A．clever
B．cleverer
C．cleverest
D．the cleverest
_____ his sister, Jack is quiet, and does not easily make friends.
A．Dislike
B．Unlike
C．Along with
D．As to
