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【单选题】
下述为右心房内结构,除去A.
卵圆窝
B.
口
C.
界嵴
D.
肉柱
E.
梳状肌
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反馈参考答案：
举一反三
【单选题】We’d say that never before so moving a film as After Shock.
A.
we had seen
B.
had we seen
C.
we have seen
D.
have we seen
【单选题】(Rarely) (we have seen) such an effective actor (as he) has proven himself (to be).
A.
Rarely
B.
we have seen
C.
as he
D.
to be
【单选题】Nowhere ______ so many people planting trees.
A.
have we seen
B.
we have seen
C.
have seen we
D.
we saw
【单选题】What we have seen_____.
A.
from what we heard
B.
all what we heard
C.
to what we have heard
D.
from what we have heard
【单选题】We have participated in several ______ with the new biological agents and have seen some amazing results.
A.
advance
B.
treatment
C.
trials
D.
branches
【简答题】We have never seen such gorgeous hills.
【单选题】What we have seen is different from _______.
A.
we heard
B.
we have heard
C.
what we heard
D.
what we have heard
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