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【单选题】
大量的;丰富的A.
abundent
B.
abundant
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】He was so tired that as soon as he lay down he fell _______ asleep.
A.
fast
B.
very
C.
much
D.
Deep
【简答题】利用得失电子守恒,配平下列方程式。 KMnO 4+ + HCl = KCl + MnCl 2+ + Cl 2 ↑+ H 2 O
【单选题】He was so deep in thought，thinking of the problem ________ he knocked into the tree without noticing it.
A.
when
B.
while
C.
because
D.
that
【单选题】He earns a good salary, so he ____ be deep in debt.
A.
can ’ t
B.
must
C.
needn ’ t
D.
should
【单选题】He earns a good salary, so he _______be deep in debt.
A.
should
B.
must
C.
needn't
D.
can't
【单选题】He is in deep sorrow, so it is not a(n) time to mention the subject.
A.
evident
B.
typical
C.
appropriate
D.
wonderful
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