以下有关载流直导线在磁场中受电磁力作用,说法正确的有()A.载流直导线所受电磁力的方

题型:多项选择题

问题:

以下有关载流直导线在磁场中受电磁力作用,说法正确的有()

A.载流直导线所受电磁力的方向应用左手定则判定

B.当载流直导线中电流越大时,导线所受的电磁力越大

C.当载流直导线中电流越大时,导线所受的电磁力越小

D.当载流直导线越长时,导线所受的电磁力越大

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患者,女性,22岁。冬季用煤气淋浴器洗澡,1小时后被家人发现昏倒在卫生间,随即送往医院急诊。查体:深昏迷,口唇及皮肤黏膜樱桃红色,皮肤受压部位有红肿及水疱。既往体健。为明确诊断,应首先考虑准备的检查是()

A.血胆碱酯酶活力测定

B.头颅CT

C.血碳氧血红蛋白测定

D.血高铁血红蛋白测定

E.胃液毒物分析

题型:多项选择题

选词填空:

on        listen     others     hear       of  

answer    activity    small    learn        we

Many people like to watch TV. Watching TV is one of the most important 小题1:        of the day. TV brings the outside world closer to people’s homes. Some people say the world is  小题2:          than before because of TV.

What’s going on in小题3:         countries? How do people live in places far away? Is there a good sports game somewhere?   What’s living in the deepest(最深的) part 小题4:      the sea?

If you want  小题5:        these and other kinds of questions, just turn 小题6:     the TV. You can see a lot and learn a lot. Of course, people can also learn through reading or  小题7:         to the radio. But with TV they can learn better and more easily. Why? Because they can  小题8:         and watch, too.

TV helps to open our eyes. TV also helps us to open our minds(思维). TV often gives  小题9:      new ideas. We learn newer and better ways of doing something can be 小题10:         On TV.

题型:多项选择题

中西部地区加快发展,关键是要()。

A.国家给予政策上优惠

B.扩大投资

C.制定正确的发展战略

D.调整地区产业结构

题型:多项选择题

神经肌肉接头乙酰胆碱受体通道的平均开放时间为()

A.2.0ms

B.4.0ms

C.5.5ms

D.6.5ms

E.8.0ms

题型:多项选择题

下列甲状腺疾病哪一种不容易恶变

A.青春期甲状腺肿

B.桥本病

C.结节性甲状腺肿

D.甲状腺功能亢进症

E.甲状腺腺瘤

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