妊娠中晚期了解胎儿发育情况最常用的检查是
A.胎儿心电图B.B型超声C.X线检查D.腹部检查E.羊水检查
参考答案:B
选择动词的适当形式填空
小题1:My mother asked me ________ the room.
A.clean
B.cleans
C.to clean
D.cleaned小题2: What about going camping if it ________ tomorrow?
A.didn’t rain
B.doesn’t rain
C.won’t rain
D.rained小题3:- ________ I try on those shoes in the window?
- ________. They are just on show.
A.Could; Yes, you can.
B.Can; sorry, you couldn’t
C.Could; Sorry, you can’t.
D.Can; Yes, you could.小题4:Watching TV too much ______ bad for your eyes.
A.are
B.is
C.can
D.may小题5:What are you going to be when you ________?
A.grows up
B.grow up
C.is growing up
D.grew up
我国长江是世界第三大河,全长6300千米,比世界上第一大河南美洲的亚马孙河短1/36,亚马孙河全长多少千米?