选择题:(4). Which of the following statements is TRUE?(本题

题目内容:

(4). Which of the following statements is TRUE?
(本题2.0分)
A、

Credit cards have more advantages than travellers. cheques.

B、

Dollar bills are as convenient as credit cards.

C、

One-cent coins have been withdrawn from circulation.

D、

You can increase your credit limit as you like.
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[多选题,10分] 提高广告的注意效果不包括A.选择报纸、杂志媒体B.选择广播、电视媒体C.刺激强度、新颖奇特D.对比变换、感情诱导

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6. 三根杆的尺寸相同,材料不同,已知三种材料的应力-应变图如图所示。下列说法中错误的是( )上传图

6. 三根杆的尺寸相同,材料不同,已知三种材料的应力-应变图如图所示。下列说法中错误的是( )上传图片(本题4.0分)A、 材料(1)的强度最高;B、 材料(3

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