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【单选题】
实际液气比q nB /q nC =( )A.
1.3
B.
1.275
C.
1.453
D.
1.1
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举一反三
【简答题】Fill in the following blanks with "resource(s)" or "source(s)" as you see fit. The travelers walked upstream until they reached the ________ of the river.
【简答题】he travelers walked upstream until they reached the s___(源头)of the river.
【单选题】Most people are aware that, ____ , the relationship between Hong Kong and the Republic of the Philippines will become poorer.
A.
if not dealing with carefully
B.
if dealt not carefully with
C.
if not carefully dealt with
D.
if not carefully dealing with
【单选题】根据中性进化理论,每种生物的信息大分子都有一定的进化速率。血红蛋白的氨基酸每年按照多少的速率发生置换?
A.
10 -7
B.
10 -8
C.
10 -9
D.
10 -10
【简答题】用括号内所给的提示完成句子。 1. Having walked for about two hours, the group of travelers stopped to have lunch ___ ___ ___ ___ the woods. (在 ……的边缘) 2. Her fans look forward to her newest album ____ ______ in wint...
【单选题】The travelers walked upstream until they reached the of the river.
A.
source
B.
resource
【单选题】某构件发生脆性破坏,经检查发现构件存在下列问题,但可以肯定对该破坏无直接影响的为( )。
A.
构件有构造引起的应力集中
B.
构件的荷载增加速度过快
C.
构件所用钢材屈服点过低
D.
存在冷加工硬化
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