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【单选题】
A fishing vessel displaying the lights shown is ______.A.
anchored
B.
underway but not fishing
C.
tending a small fishing boat
D.
fishing by trawling
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【简答题】组成蛋白质的基本元素中, N 称为蛋白质的特征元素,在蛋白质中平均含量为 。
【单选题】Moving off campus won’t always _____.
A.
do you harm
B.
do you good
C.
does you good
D.
did you good
【简答题】阅读理解。 The African elephant, the largest land animal remaining on earth, is of great importance to African ecosystem (生态系统). Unlike other animals, the African elephant is to a great extent the builder ...
【单选题】I feel upset, for there are so many, troublesome problems _____ . [ ]
A.
remaining to settle
B.
remained to settle
C.
remaining to be settled
D.
remained to be settled
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