皮皮学，免费搜题
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搜题
【简答题】
The regulations make it safer for you to use your credit card for shopping on the Internet or over the phone. If someone else makes dishonest use of your credit card。you Can cancel the payment and the card issuer(发卡机构) must refund the money to your account. The card issuer will want you to tell them as soon as possible if your card has been lost or that someone has used your card details dishonestly.
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举一反三
【单选题】______ nonsense the newspaper print, some people always believe it.
A.
What
B.
However
C.
Whatever
D.
Whichever
【简答题】在真空中传播的平面电磁波，其电场表示为 求该电磁波的频率、波长、周期、振幅和初相。
【多选题】以下哪些方式,不符合微信礼仪( )
A.
为方便沟通，直接推送朋友微信
B.
提问前问“在吗？”，直到对方响应再问
C.
结束后向对方表达谢意
D.
讲究效率，直接发语音