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【判断题】
网球拍弦的种类根据材料可分为天然肠弦和人造复合弦。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The results of this research can______to new developments in technology.
A.
． be applied
B.
． be appealed
C.
． be accustomed
D.
． be added
【简答题】机会是指周边地区存在的对企业( )的事情 A 、有利 B、不利 C、一般 D、不相关
【单选题】Oh, great! His car's here. He _____ come home earlier than planned.
A.
must have
B.
might have
C.
can have
【简答题】A．The scientists know it is definitely getting smaller. B．The scientists know it is near extinct. C．The scientists still do not know. D．The scientists think it is rebounding slightly.
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