题目

What did the man do last weekend?A. He played basketball. B. He watched a game. C. He took a trip. 答案：【答案】C【解析】W: I saw you and Pat at the basketball game last weekend.M: You must be mistaken. We went to Paris for a holiday and just came back yesterday.此题为听力题，解析略。如图所示，烧杯中盛有0℃的碎冰，装有0℃碎冰的试管插入烧杯里的碎冰中，（试管底部不接触烧杯底），缓缓加热，烧杯中的冰有一半熔化时，管中冰将A.不熔化B.熔化C.一半D.少于一半