题目内容
(请给出正确答案)
[主观题]
There was not one house that was not misshapen, and there was not one house that was not shabby.
答案
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第2题
A.对于污染大气,HO·主要来源于醛的光解,尤其是甲醛的光解
B.O3的光解是清洁大气中HO·的主要来源
C.HO·的光化学生成率白天高于夜间
D.HO·有很高的活性,具有强氧化作用
第7题
Why does the author avoid watching games recently?
A.Because the stadium is far from his home.
B.Because he can't endure the team he supports being defeated.
C.Because if his team is defeated, he will worry.
D.Because he often watches the matches on TV at home.
第8题
A.编码一个位点特异性的DNA内切酶。
B.有一个包含许多不同应答元件的启动子。
C.在所有酵母细胞中始终表达。
D.编码一个能切割沉默基因座而不切割MAT基因座的产物。
第9题
A.验算壁柱间墙时,s取相邻横墙间的距离
B.验算壁柱间墙时,s取相邻壁柱间的距离
C.验算整片墙且墙上有洞时,s取相邻壁柱间的距离
D.验算整片墙时,s取相邻壁柱间的距离
第10题
A.and neither is that one
B.neither that one is
C.either is not that one
D.neither isn't that one