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【判断题】
信用证中注明:Invoices in three copies,受益人向银行交,提供了三份副本发票,符合信用证规定。()A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】若返回的信号增强了原输入信号则为 。
【单选题】Not only good about helping other people, but I get to spend time doing what I love to do. [ ]
A.
I feel
B.
I do feel
C.
do I feel
D.
I felt
【单选题】I spend much more time playing basketball than I _______ for my lessons.
A.
spend to prepare
B.
do preparing
C.
do to prepare
D.
spend prepare
【单选题】—How's your weekend, Jack? —I spent all time _____ my friends. But sometimes I spend time _____ the internet. [ ]
A.
on, on
B.
in, with
C.
with, on
D.
on, with
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