单选题：What percentage did U．S．unemployment jump?

题目内容：

What percentage did U．S．unemployment jump? A．9．4 percent．
B．4．7 percent．
C．8．9 percent．
D．0．5 percent．

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

无符号二进制整数1011010转换成十进制整数是（　　）。

无符号二进制整数1011010转换成十进制整数是（　　）。A．80 B．82 C．90 D．92

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How much is the deposit for the apartment?A．One hundred dollars． B．Thirty—five d

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How much does the man owe the woman?A．64 cents． B．18 cents． C．80 cents． D．16

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Which of the following movies was not directed by Allen?A．What's New, Pussycat

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