皮皮学,免费搜题
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【单选题】
Methods of studying vary; what works__1__ for some students doesn ’ t work at all for others. The only thing you can do is experiment __2__ you find a system that does work for you. But two things are sure: __3__ else can do your studying for you, and u nless you do find a system that works, you won' t although college. Meantime, there are a few rules that__4__ for everybody. The hint is "don't get ___5___ ". The problem of studying, __6__ enough to start with, becomes almost__7__ when you are trying to do __8__ in one weekend. __9__ the fastest readers have trouble __10__ that. And if you are behind in written work that must be __11__, the teacher who accepts it __12 _late will probably not give you good credit. Perhaps he may not accept it__13__ . Getting behind in one class because you are spending so much time on another is really no __ 1 4__. Feeling pretty virtuous about the seven hours you 'spend on chemistry won' t __ 1 5__one bit if the history teacher pops a quiz. And many freshmen do get into trouble by spending too much time on one class at the __ 1 6__of the others, either because they like one class much better or because they find it so much harder that they think, they should __ 1 7__all their time to it. __ 1 8__the reason, going the whole work for one class and neglecting the rest of them is a mistake, if you face this __ 1 9__, begin with the shortest and easiest __ 2 0__. Get them out of the way and then go to the more difficult, time consuming work.
A.
Even
B.
Almost
C.
If
D.
with
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【多选题】自然氧化导致的( )。漆面无明显( ),用放大镜观察漆面斑点较小,这类失光原因大多是氧化还原反应所致。
A.
上光
B.
失光
C.
划痕
D.
斑点
【多选题】细胞核的主要功能是( )。
A.
遗传物质的储存
B.
遗传信息的复制
C.
遗传信息的转录
D.
参与免疫应答等,防御保护作用
【单选题】细胞核的主要功能是: [     ]
A.
储存能源物质、进行能量转换
B.
遗传信息库,是细胞代谢和遗传的控制中心
C.
细胞生命活动的“蓝图”
D.
在控制物质进出、能量转换和信息传递中起决定性作用
【判断题】细胞核的主要功能是储存遗传信息。 ( )
A.
正确
B.
错误
【单选题】下列哪项不是细胞核的主要功能( )
A.
储存遗传信息
B.
进行DNA复制
C.
进行RNA转录
D.
合成ATP
【单选题】药物的超敏反应与下列哪项密切相关
A.
剂量
B.
年龄
C.
体质
D.
治疗指数
E.
以上都不是
【单选题】细胞核的主要功能是
A.
能量转换的场所
B.
遗传信息储存、复制、转录的场所
C.
蛋白质合成的场所
D.
运输作用
【单选题】药物的超敏反应和下列哪项密切相关
A.
剂量
B.
年龄
C.
体质
D.
治疗指数
E.
以上都不是
【单选题】药物的超敏反应
A.
只有少数过敏体质者才会发生
B.
每个人都可发生
C.
可以预测
D.
在与该药第一次接触时即可发生
E.
是否发生取决于药物的剂量
【简答题】下列关于细胞核的结构和功能的叙述,正确的是( ) A.细胞核是代谢和遗传物质储存的主要场所 B.衰老细胞的细胞核体积增大,染色质收缩 C.细胞核在细胞分裂间期消失,在分裂末期重现D.蓝藻能通过核孔实现核质之间的信息交流
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