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【单选题】
正常妊娠足月时羊水量为:A.
８００ ml
B.
５００ ml
C.
１０００ ml
D.
１５００ ml
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举一反三
【单选题】What is the purpose of a c lock?
A.
To keep out boats that are too large for the c.
B.
To measure the tonnage of c boats.
C.
To load and unload the cargo.
D.
To change the depth of the water.
【单选题】The optic disc
A.
located in the bland part of the retina
B.
is formed by the optic nerve pierces the retina
C.
is sensitive to the light
D.
fovea centralis is its center
【简答题】水沟系 c system
【单选题】S1: How many important Cs are there all over the world? S2: Two biggest cs: Panama C, and Suez C. Q: Which C is there in America? 0102dh107
A.
Suez C.
B.
Panama C.
C.
Panama and Suez C.
D.
Americal C.
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