皮皮学，免费搜题
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搜题
【单选题】
我国的汽车安全法规也强制性要求出厂销售的汽车必须做碰撞试验，它包括（）试验A.
正面碰撞
B.
侧面碰撞
C.
尾部碰撞
D.
A+B
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皮皮学刷刷变学霸
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【单选题】听力原文：W: All right, that comes to $20.75. Do you have one of our store membership cards? M: What is that? W: It's a free card which allows our customers to receive special discounts. You simply need to...
A.
Apply immediately with any credit card.
B.
Fill out the membership application form.
C.
Pay a membership fee.
D.
Buy certain items in the store.