A. Providing a warning light when the sound is too loud. B. Improving the quality of personal stereo systems. C. Standard heating test should be set up. D. Restricting the use of personal systems. 参考答案:A
A. how to make an examination paper B. the reasons for writing a precis C. how to improve your writing skills D. the people who write precis 参考答案:B 答案解析:主旨题。文章主要讲诉了撰写precis的两大主要原因。
A. an editorial response to a letter B. a newspaper article C. a letter in response to a letter D. a newspaper editorial 参考答案:C 答案解析:推理判断题。作者在文章的开头便给我们提供了线索As a Canadian immersion teacher,I was enthused to see the letter from John Wh
第33题:[单选题]关于醑剂叙述正确的是( ) A.醑剂只能外用 B.凡用于制备芳香水剂的药物一般都可制成醑剂 C.醑剂系指挥发性药物的乙醇溶液 D. 醑剂中的乙醇含量一般为30%-60% E. 醑剂可长期储存 参考答案:B