问答题

A．2:30 PM.
B．3:30 PM.
C．5:00 PM.
D．4:30 PM.

A.2:30
B.
B．3:30
C.
C．5:00
D.
D．4:30

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单项选择题

听力原文：W: Did you see my book? It's not on the shelf, nor on my desk.
M: Why don't you look under your chair? That's where I saw it a little while ago. Maybe it just fell when you went to the kitchen.
Where did the man see the book a little while ago?
A．On the desk.
B．Under the chair.
C．On the shelf.

A.
M:
B.
Where
C.On
D.
B．Under
E.
C．On
F.

单项选择题

对高危孕妇的21-三体综合征三联筛查是检测血中
A.FSH、AFP、E2
B.LH、hCG、P
C.AFP、FE3、hCG ＆＆
D.LH、P、PRL
E.FSH、LH、FE3

A.FSH、AFP、E2
B.LH、hCG、P
C.AFP、FE3、hCG
B.LH、P、PRL
E.FSH、LH、FE3