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【单选题】
在一个肽平面中含有的原子数为A.
3
B.
4
C.
5
D.
6
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参考解析：
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【简答题】写出混合成本式子。若7月份机器工时数为6780小时,预测维修费用是多少?
【单选题】At that moment, I was just standing by the window in my room, I could see what was occurring on the street. [ ]
A.
from which
B.
from whose
C.
from that
D.
from where
【单选题】I was in a hurry at that moment and I just _______ the door. ______, I didn’t have a clear idea what the door was like.
A.
stared at; Therefore
B.
glared at; So
C.
looked at; However
D.
glanced at; Thus
【单选题】All the candidates are excellent, but I like the last one - his experience is just what we need at the moment.
A.
in brief
B.
in particular
C.
in practice
D.
in total
【单选题】1938年5月26日至6月3日,毛泽东在延安抗日战争研究会上作了( )的著名讲话,明确提出抗日战争的最后胜利属于中国的科学论断。
A.
《新民主主义论》
B.
《论人民民主专政》
C.
《论持久战》
D.
《星星之火可以燎原》
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