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【单选题】
一国（地区）在一定时期内的出口总额在其国内生产总值或国民生产总值中所占的比重称为A.
对外依存度
B.
经济系数
C.
贸易贡献度
D.
出口依存度
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】执行下列二进制逻辑乘运算(即“按位逻辑与”运算)01011001&10100111，其运算结果是______。
A.
00000000
B.
11111111
C.
00000001
D.
11111110
【简答题】二进制01011001∧10100111逻辑运算结果是[填空(1)]。
【单选题】听力原文：I think I'd better leave now. It's getting late. (4)
A.
You're right..
B.
But it's still early.
C.
What do you think of it?
D.
Why are you so late?
【单选题】I ____ that we would be able to leave soon, but it’s beginning to look difficult.
A.
hoped
B.
have hoped
C.
was hoping
D.
had hoped
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