[论述题]发电机转子发生两点接地有何现象?如何处理?-我要搜题网

[单项选择]In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double. (1) the needs of this part of the populations will be a (2) to the ingenuity (足智多谋) of America. To a (3) degree, a society is judged by (4) it cares for those who can no longercare (5) themselves.
High technology (6) the most startling advances in helping the elderly. In (7) to the well-known artificial heart implantation (移植), there are efforts underway to (8) artificial lungs, livers, and bones. An electric ear is (9) seventy-five percent effective. The implants will (10) better medical care by (11) minute doses of drugs into the body continuously.
For the older people, even the simplest tasks can be difficult, (12) impossible to perform. American business have responded (13) their needs with a (14) of inexpen
A. set
B. variety
C. series
D. group

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[单项选择]By the time I finished high school, my interest in animals had grown, and enrolled at a university to study biology. I learned soon enough that studying animals (56) this level was not in the animals best (57) . I remember one midterm exam in (58) each student was handed a large, fleshly-killed frog and (59) to dissect (解剖) and mark a set of body parts. I looked at the (60) flog in front of me and was saddened that her life was (61) away for such a slight (62) .
A year later, in the same lab (63) I dissected the flog, I performed a small act of animal (64) . We were (65) on fruit flies, and it was time to record the distribution of characteristics in their next generation. Flies were (66) in small plastic bottles. Counting the number of flies with white or red eyes required first exposing them to ether (乙醚) (67) . they could not move. The flies were the
A. operation
B. liberation
C. tendency
D. wealth

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[单选题]双向闸片间隙自动调整器
A.双向闸片间隙自动调整器
B.单向闸片间隙自动调整器
C.闸片磨耗间隙调整器
D.闸片控制器

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[单选题] “互锁解除”钥匙开关的“互锁解除”位需要人为保持，否则此开关会立即自动回复到“禁止”位。列车进站前打“互锁解除”，必须在列车头部至站台（）及以上给出。 "
A.5m
B.50m
C.10m
D.20m"

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[单项选择]男性患儿10岁，诊断为急性肾炎，入院后测血压150/100mmHg，头疼呕吐，视力模糊，可能会发生
A. 急性肾功能不全
B. 代谢性酸中毒
C. 高血压脑病
D. 循环充血
E. 急性肾功能衰竭

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[判断题]强制电流阴极保护系统中，阳极地床距管道的垂直距离不宜小于100m。( )
A.正确
B.错误

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[不定项选择题]毛毛虫效应指把跟着前面的路线走的习惯称之为“跟随者”的习惯，盲目跟从习惯和思维惯性而做出反应导致结果失败的现象。根据上述定义，以下不属于毛毛虫效应的是： A.某地农民看近两年豌豆市场较好，开始大面积种植豌豆，却因市场迅速饱和导致大量豌豆滞销烂在地里
A.上班族李新以“自己只要埋头拉好车就行了，抬头看路是当头的事”为工作的宗旨，后来因创新能力不足被公司裁员
B.小孙多方咨询后最终确定某名校作为申请留学的学校，然而却由于准备不够充分而未被该校录取
C.海归赵某将书本的理论奉为“圣经”，言必讲德鲁克，行必学 G
D.最终因不了解国情而创业失败

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[单选题]风险是特定危险事件发生的（）与后果的结合。
A.可能性
B.必然性
C.危险性

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[判断题]采用动态法测角时，粗测与精测是分开进行的，由微处理器显示或存储角值。( )

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[论述题]发电机转子发生两点接地有何现象?如何处理?

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