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【单选题】
已知三端集成稳压器CW7905的引脚图，请指出哪个引脚为接地端（GND）？A.
1脚
B.
2脚
C.
3脚
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反馈参考答案：
举一反三
【简答题】I won't tell the student the answer to the math problem until he ____on it for more than an hour. A. has been working B. will have worked C. will have been working D. had worked
【简答题】微信支付怎么注销绑定银行卡?
【单选题】The plane fell into the sea. There is no ________ of life in it. What a terrible disaster( 灾难 )!
A.
sign
B.
symbol
C.
form
D.
reply
【单选题】— Please don’t tell anybody about this, Linda! —_____, ___________.
A.
Yes, I will.
B.
Ok, I won’t.
C.
No, I don’t.
D.
No, I will.
【简答题】怎么解绑微信支付银行卡?
【单选题】基于SET与基于SSL银行卡支付系统的差别是（ ）
A.
SET银行卡需要数字证书，SSL不需要
B.
SET银行卡有专用支付网关，SSL没有
C.
SET银行卡需要密码，SSL不需要
D.
SET银行卡的使用成本比SSL低
【单选题】The plane crashed and all the passengers _____including 3 children, fell into the sea.
A.
around
B.
aboard
C.
abroad
D.
ahead
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