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【判断题】
在第一题中,一定不能读出轻声和儿化。A.
正确
B.
错误
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举一反三
【单选题】The sentence 'In Kids Country we do not permit middle-aged' underlined in Paragraph 2 means that middle-aged ______ .
A.
are not permitted to live in America
B.
are not welcome in America
C.
become old too quickly
D.
have already been overtaken by children
【单选题】Who do you think is the 'silly Billy' underlined in Paragraph 3?
A.
A character in the comedy.
B.
Someone generally referred to as lacking common sense.
C.
One of Elle's classmates.
D.
Someone who is totally ignorant of law.
【单选题】在定点机中,下列说法错误的是________。
A.
除补码外，原码和反码不能表示-1
B.
+0的原码不等于-0的原码
C.
+0的反码不等于-0的反码
D.
对于相同的机器字长，补码比原码和反码多表示一个负数
【简答题】At ten o'clock yesterday morning we_______(listen) to the wireless.
【单选题】The underlined word 'involved' means______.
A.
have something to do with
B.
lose one's temper
C.
pull the plug
D.
complain about his action
【简答题】Dear Owner, please listen to me, My life is likely to last ten to fif years. Any separation(分离) from you will make me sad. Remember that before you buy me. Give me time to understand what you want...
【简答题】由 与 、 的关系可知,在直流电路中,电感元件相当于____(开路;短路)状态,电容元件相当于____(开路;短路)状态;在交流电路中,电感元件和电容元件相当于____(电阻;电容)元件,其数值随____(频率;角频率)的不同而不同。
【单选题】关于定点数和浮点数的说法,下列说法错误的是
A.
在计算机中通常用定点数表示整数和纯小数
B.
浮点数表示的数即是数值的精确值
C.
定点数表示数据的范围有限
D.
用浮点数表示既有整数部分、又有小数部分的实数
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