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【单选题】
在喹诺酮类抗菌药的构效关系中,哪个是第三代区别于第二代的关键基团A.
6位有氟
B.
7位有哌嗪
C.
2位有羧基
D.
3位有羧基,4位有羰基
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【简答题】听力原文：Why did Cindy change her job after she became more experienced? Because she got tired of ______ all day.
【单选题】关于故事《潘德尔的巫师》，下列哪一项是正确的陈述？
A.
犯罪人背离了基督教信仰，被魔鬼撒旦附身
B.
很多犯罪人都是巫师，他们因为邪恶和仇恨将人诅咒致死
C.
犯罪人都是变态，恶魔或某种神灵进入了他们的大脑，使得他们精神异常
D.
人们恐惧疾病、死亡等各种灾祸，将矛头指向所谓的“巫师”，很多人被迫害致死
【简答题】4第一类污染物采样点位一律设在____的排放口或专门处理此类污染物设施的排口。
【单选题】According to the passage, Joan Ryan ______.
A.
became a sports writer immediately after she graduatcd from college
B.
managed to interview Cribbs though she had failed in the locker room
C.
had three brothers and two sisters and a football coach to help her father
D.
was the sixth female sports writer on all major American newspapers
【简答题】简单控制系统是由一个( )、一个控制器、一个测量元件及变送器和一个执行器组成的。
【单选题】Any fishy or strong smell means the fish isn’t fresh. 19Whenyou have bought a fish and arrive home,
A.
Do not buy it.
B.
The easiest is to steam it.
C.
This is how you can do it.
D.
It just requires a little knowledge.
E.
The fish will go bad within hours.
F.
When buying fish,you should first smell it.
G.
The fats in fish are though to help prevent heart disease.
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