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【单选题】
测得某一蛋白质样品的氮含量为2g,此样品约含蛋白质A.
6.25g
B.
12.5g
C.
16g
D.
32g
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举一反三
【单选题】. They always kept on good _____ with their next-door neighbors for the children’s sake.
A.
friendship
B.
relations
C.
intentions
D.
terms
【简答题】唐诗中有 “孤篇横绝”之誉的杰作是张若虚的《 》 。
【简答题】They always kept on good _____ with their next-door neighbors for the children's sake. A．friendship B．relations C．intentions D．terms
【单选题】I walked into class, the teacher had started teaching already. [ ]
A.
By the time
B.
While
C.
After
D.
Because
【简答题】While I was waiting to go into university, I saw in a newspaper a teaching job wanted at a school about ten miles from where I 16 . Because I was in great need of 17 and wanted to do something useful,...
【简答题】唐诗中有“孤篇横绝”之誉的杰作是张若虚___________ 。
【简答题】I was wondering why they kept the door _____ for such a long time. (lock)
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