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【判断题】
多级直接耦合放大电路只能放大直流信号,阻容耦合放大电路只能放大交流信号。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】在局域网中,普通PC机入网时必需在该机器内安装____。
A.
传真卡
B.
调制解调器
C.
网卡
D.
串行通信卡
【单选题】Snowden arrived at Sheremetyevo International airport on June 23, _____ he was prevented from leaving for six weeks after the U.S. canceled his passport.
A.
which
B.
where
C.
when
D.
what
【判断题】乒乓球是我国的国球,但是现代乒乓球运动并不是起源于中国
A.
正确
B.
错误
【单选题】Language experts claim that children _________ to the English-speaking environment will pick up English quickly. A. being exposed B. having been exposed C. to be exposed D. exposed
A.
being exposed
B.
having been exposed
C.
to be exposed
D.
exposed
【单选题】____ to sunlight for too much time will do harm to one s skin. [     ]
A.
Exposed
B.
Having exposed
C.
Being exposed
D.
After being exposed
【单选题】--How did he get infected? --She ____the viruses without any protection.
A.
exposed to
B.
had exposed to
C.
was exposed to
D.
had been exposed
【单选题】—How did she get infected? —She ____ the viruses without any protection.
A.
exposed to
B.
had exposed to
C.
was exposed to
D.
has exposed to
【判断题】我国的国球是乒乓球
A.
正确
B.
错误
【判断题】客户理财需求同家庭生命周期息息相关,理财师只需根据客户家庭生命周期的不同阶段,将产品或产品组合的流动性,收益性与安全性同客户需求相匹配即可。
A.
正确
B.
错误
【判断题】我国的国球是乒乓球
A.
正确
B.
错误
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