皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
During recent years we have heard much about 'race': how this race does certain things and that race believes certain things and so on. Yet, the【C1】______phenomenon of race consists of a few surface indications. We judge race usually【C2】______the coloring of the skin: a white race, a brown race, a yellow race and a black race. But【C3】______you were to remove the skin you could not【C4】______anything about the race to which the individual belonged. There is【C5】______in physical structure. The brain or the internal organs to【C6】______a difference. There are four types of blood.【C7】______types are found in every race, and no type is distinct to any race. Human brains are the【C8】______. No scientists could examine a brain and tell you the race to which the individual belonged. Brains will【C9】______in size, but this occurs within every race.【C10】______does size have anything to do with intelligence. The largest brain【C11】______examined belonged to a person of weak【C12】______. On the other hand, some of our most distinguished people have had【C13】______brains. Mental tests which are reasonably【C14】______show no differences in intelligence between races. High and low test results both can be recorded by different members of any race.【C15】______equal educational ad vantages, there will be no difference in average standings, either on account of race or geographical location. Individuals of every race【C16】______civilization to go backward or forward. Training and education can change the response of a group of people,【C17】______enable them to behave in a【C18】______way. The behavior. and ideals of people change according to circumstances, but they can always go back or go on to something new【C19】______is better and higher than anything【C20】______the past. 【C1】
A.
complete
B.
full
C.
total
D.
whole
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】绕组是变压器的( )部分,一般用绝缘纸包的铜线绕制而成
A.
油路
B.
磁路
C.
电路
D.
气路
【简答题】绕组是变压器的磁路部分,一般用绝缘纸包的铜线绕制而成。( )
【多选题】当驱动(高速)CAN总线处于隐性状态时,CAN_H和CAN_L的电压值为
A.
CAN_H电压为3.5V
B.
CAN_H电压为2.5V
C.
CAN_L电压为1.5V
D.
CAN_L电压为2.5V
【单选题】关于双金属电路断路器说法正确的是:
A.
利用双金属片受热弯曲变形的特点工作的。
B.
双金属片用两片线膨胀系数不同的金属材料制成
C.
双金属电路断路器按其能否自动复位分为一次作用式和多次作用式两种。
D.
以下说法都正确
【多选题】关于断路器的说法,正确的是()
A.
线路正常时,用来通断负荷电流
B.
线路故障(短路)时,在保护装置的作用下用来切断巨大的短路电流
C.
具有良好的灭弧装置和较强的灭弧能力
D.
在选择高压断路器时,需要考虑其断流容量
【判断题】绕组是变压器的磁路部分,一般用绝缘纸包的铜线绕制而成。(  )
A.
正确
B.
错误
【单选题】下列哪个波形是CAN-H断路故障的波形。
A.
CAN -H搭铁故障波形.png
B.
CAN-H与CAN-L短路故障波形.png
C.
CAN-H断路故障波形.png
D.
CAN-L断路故障波形.png
【多选题】关于高压断路器说法正确的是(   )
A.
可以开断负荷电流
B.
可以开断过负荷电流
C.
可以开断短路电流
D.
需要和熔断器串联使用
【多选题】关于断路器说法正确的是()。
A.
断流能力很强
B.
能开断负载电流
C.
能切断过载电流
D.
能迅速切断短路电流
【简答题】试列举染料敏化太阳能电池的主要组成部分。
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题