皮皮学,免费搜题
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搜题
【单选题】
在测量二极管反向电阻时,若用两手把管脚捏紧,电阻值将会( )
A.
变大
B.
变小
C.
无变化
D.
不确定
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【单选题】3/13. What did the manager promise to do?
A.
a. to pay the woman a sum of money for compensation.
B.
b. to have every facility in the bathroom checked and fixed immediately.
C.
c. to change the room and provide a compensation.
D.
d. to ask the house keeper to see to the problems right away.
【判断题】人与动物最基本的区别不仅在于人有理性,还在于人有动物无法企及的丰富而强烈的感受需求。( )
A.
正确
B.
错误
【判断题】对于背景,background:#ccc等同于background-color:#ccc
A.
正确
B.
错误
【判断题】background:#ccc 和 background-color:#ccc 都能设置背景颜色。
A.
正确
B.
错误
【单选题】已穿过的隔离衣被视为清洁部位的是_______。
A.
衣领
B.
袖口
C.
腰部以上
D.
腰部以下
E.
胸部以上
【单选题】What did Campos mean by saying 'I‘m hanging on their vote' in PARAGRAPH 3? 查看材料
A.
He meant that he was confident about the result of the vote.
B.
He meant that the voters' decision was crucial to his future.
C.
He meant that he had to attend a community college if the voters said NO.
D.
He meant that he might have to leave the country if the voters said NO.
【判断题】若将晶体三极管的集电极和发射极互换,则其仍有较大的电流放大作用。
A.
正确
B.
错误
【单选题】常见的托盘类型不包括( )
A.
平托盘
B.
箱形托盘
C.
扇形托盘
D.
柱形托盘3种。
【单选题】对已穿过的隔离衣被视为清洁部位的是
A.
衣领
B.
袖口
C.
腰部以上
D.
腰部以下
E.
胸部以上
【判断题】若三极管将集电极和发射极互换,则仍有较大的电流放大作用。(    )
A.
正确
B.
错误
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