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【简答题】
信号调制常用的三种方法是调幅、______ 、 _______ 。
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反馈参考答案：
举一反三
【单选题】平衡膳食 不 包括以下哪项 ( )
A.
选择自身喜好倾向的食物来平衡膳食
B.
人体需要的营养素与从膳食中获得的营养素之间要平衡
C.
各类食物之间搭配起来平衡膳食
D.
能量摄入与能量消耗要平衡
【单选题】What title would best suit this talk?
A.
Money and its importance.
B.
Money and social status.
C.
A personal view of money.
D.
How money is handled at bank.
【单选题】Why would the money tree work as an investment?
A.
Because the fruit's value would be larger than the money you spent on it.
B.
Because the fruit might win more than eight percent of profit normally.
C.
Because the insurance company would pay you some money for the fruit.
D.
Because the money tree could be as great a fortune as a bank.
【单选题】If I _________you, I would give the money to charity. [ ]
A.
am
B.
was
C.
were
D.
would be
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