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问题
问答题 简答题
手机省内拨打96006是免费的吗？
答案
参考答案：
收取基本通话费。
选择题
There _____ too much work to do next Sunday.
A. seems to have
B. seems
C. seems as if
D. seems to be
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单项选择题
螺母扭紧后螺纹应露出螺母1－（）个螺距，不得用增加垫圈的办法调整螺纹露出长度。
A.1
B.2
C.3
D.4
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