Students from other countries think that ______.
A.it's easier to get part-time work abroad
B.there are more activities to take part in than at home
C.everyone can get scholarships or special loans
D.their main problem abroad is the lack of money
第6题
下面哪种不是红外局域网采用的数据传输技术?()
A.定向光束红外传输
B.全方位红外传输
C.漫反射红外传输
D.绕射红外传输
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