成年妇女子宫体与子宫颈之比是A．2:1 B．1:2 C．1:1 D．3:1 E．3:

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问题单项选择题

成年妇女子宫体与子宫颈之比是

A．2:1

B．1:2

C．1:1

D．3:1

E．3:2

答案

参考答案：A

单项选择题

—We know there are lots of ways to avoid getting H1N1.
—Yes, but in a word, we should care for our health at any time. ( )

A. in short
B. no doubt
C. in detail
D. in fact

单项选择题

当用户ISP申请Internet账户时，用户的E-mail账户应包括

A．UserName

B．MailBox

C．Password

D．UserName、Password