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【单选题】
DNA replication is termed semiconservative because ( ).A.
only the bases are replicated
B.
the bases are replicated in small fragments
C.
only half the DNA molecule is replicated at any one time
D.
each new molecule has one strand from the original molecule
E.
the two st r ands of the molecule are replicated
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【单选题】It ____hard when I was on my way home.
A.
rain
B.
raining
C.
was raining
D.
were raining
【简答题】根据所给汉语提示，写出空白处各单词的正确形式。每空限填一词。 Yesterday afternoon, when I was on my way home, it began to rain. I 1______ (感觉) worried, because I didn't 2______ (带) my umbrella. My hair and my clothes were all wet....
【多选题】施工质量控制包括施工准备、施工过程、施工验收等全过程的质量控制。下列选项中，属于施工过程质量控制的有 ( )
A.
施工组织设计审核
B.
质量控制点设置
C.
工程变更控制
D.
质量回访
E.
图纸会审
【简答题】词汇运用。 Yesterday afternoon, when I was on my way home, it began to rain. I (1)f______ (感觉) worried, because I didn't bring my (2)______ (雨伞). My hair and my clothes were all wet. When I went past a (3)...
【简答题】When I was on my way to schoool this morning, I saw two thieves _________ (run) out of the bank.
【多选题】采用分批法计算产品成本时,成本计算对象可以按()
A.
一张定单中的不同品种产品分别确定
B.
一张定单中同种产品分批确定
C.
一张定单中单件产品的组成部分分别确定
D.
多张定单中的同种产品确定
【多选题】采用分批法计算产品成本时,成本计算对象可以按( )
A.
一张定单中的不同品种产品分别确定
B.
一张定单中的同种产品分批确定
C.
一张定单中单件产品的组成部分分别确定
D.
多张定单中的同种产品确定
【简答题】One afternoon,when I was on my way home, the sky 小题1: changed suddenly.Dark cloud were gathering. I began 小题2: to feel worrying because I didn’t have either a raincoat 小题3: or umbrella.It soon ...
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