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【多选题】
Amniocentesis _____.
A.
can also be done after the baby is born
B.
is completely safe for the mother and fetus
C.
is usually done in the third or fourth month of pregnancy
D.
removes amniotic fluid from around the fetus
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举一反三
【单选题】Peter come with us tonight, but he isn't very sure yet.
A.
must
B.
can
C.
may
D.
will
【单选题】以下哪个是速卖通的卖家频道的网址?( )
A.
daxue.aliexpress.com
B.
www.aliexpress.com
C.
www.alibaba.com
D.
seller.aliexpress.com
【单选题】以下哪个是速卖通的卖家频道的网址?()
A.
daxue.aliexpress.com
B.
www.alibaba.com
C.
www.aliexpress.com
D.
seller.aliexpress.com
【单选题】Peter come with us tonight, but he isn’t very sure.
A.
must
B.
can
C.
may
D.
will
【单选题】Peter come with us tonight , buthe isn’t very sure yet.
A.
. must         
B.
. may             
C.
. can        
D.
. will
【单选题】预防病毒感染最有效的办法是用
A.
化学药物
B.
免疫血清
C.
疫苗主动免疫
D.
干扰素
E.
以上都不是
【单选题】Peter come with us tonight ,but he is not very sure yet.
A.
must
B.
can
C.
may
D.
with
【单选题】班级群体的发展大致经历了三个阶段,下列表述不属于这三个阶段的是()
A.
松散型班级群体
B.
合作型班级群体
C.
集体
D.
竞争型班级群体
【简答题】Peter come with us tonight, but he isn’t verysure yet.A. must B. may C. can D. will
【单选题】以下哪个是速卖通卖家频道网址(  )?。
A.
(A)http://daxu(E)aliexpress.com
B.
(B)http://www.alibab(A)com
C.
(C)http://www.aliexpress.com
D.
(D)http://seller.aliexpress.com
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