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【单选题】
肾单位的组成是( )A.
肾小集合小管
B.
肾小体、肾小囊和肾小管
C.
肾小体、肾小集合小管
D.
肾小体和肾小管
E.
肾小体和集合管
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【单选题】Mr.Black is looking forward to ______ his Chinese partner soon.
A.
seeing
B.
see
C.
be seeing
D.
have seen
【单选题】In Hangzhou，Mr.Black was so struck ________ the beauty of nature that he stayed ________ another night.
A.
at；on
B.
with；at
C.
for；in
D.
by；for
【单选题】Mr．Black said the local bird was an interpreter because——————————————．
A.
the three Chinese birds didn’tknow English
B.
it was different from the Chinesebirds
C.
he was a joke
【单选题】Then moment _________ Mary will always remember is _________ Mr．Black gave her a lot of valuable advice on how to improve her writing．
A.
when; that
B.
that; that
C.
that; when
D.
when; where
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