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【判断题】
男性的 X 染色体的基因只能来自母亲 ,以后只能传给女儿。( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>A.
正确
B.
错误
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【简答题】水平子系统通常由 ( ) 对非屏蔽双绞线组成,如果有磁场干扰时可用屏蔽双绞线。
【单选题】Which of the following statements can best summarize the implications of Paragraph 2?
A.
Texans are so conceited that they blindly and subjectively consider everything Texan to be inclusively Texan.
B.
Texans pride themselves on being superior to other Americans who are not as rich as Texans.
C.
Texans thumb down on all non-natives and regard them as being less educated and resourceful.
D.
Texans are crude in nature, savage in behavior, and conceited in personality.
【单选题】Which statement about composite is NOT TRUE according to the tex?
A.
A composite is composed of two or more individual materials.
B.
A composite combines the properties not displayed by any single material.
C.
A Composite incorporates the best characteristics of each of the component materials.
D.
Naturally-occurring materials such as wood and bone are not composites.
【简答题】水平子系统通常由 对非屏蔽双绞线组成,如果有磁场干扰时可用 。
【多选题】以下说法中（）是不正确的。
A.
华侨回国探亲、旅游无须办理签证
B.
华侨回国探亲、旅游必须办理签证
C.
外汇就是外国货币，如美元、欧元、英镑等
D.
中国银行在收兑旅行支票时收取７．５％的贴息
E.
持外交护照的客人乘坐飞机不需交纳机场建设费
【简答题】现有四种运算电路如下, 请选择正确的答案,用A、B、C、D填空。 A, 同相比例运算电路; B,反相比例运算电路; C,求和运算电路; D,求差运算电路。 (1)欲实现电压放大倍数 -100 的放大电路,应选用( ); (2)欲实现电压放大倍数 +100 的放大电路,应选用( ); (3)欲将正弦电压叠加上一个正的直流电压,应选用( ); (4)欲实现两个电压信号之差,应选用( )。
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