题目

新冠肺炎是一种急性感染性肺炎，做好自身防护是防止感染的重要措施。家庭和学校常备洗手液、酒精、一次性口罩、温度计等。 （1） 佩戴口罩预防病毒的原理相当于化学实验中的 （2） 活性炭口罩能有效阻隔空气中的氨、苯、甲醛等有害气体，其功能比普通口罩强大、原因是活性炭具有性。 （3） 医用酒精是 75%酒精溶液，其溶剂是 （4） 温度计有多种，常用的体温计有水银温度计，温度升高，水银柱会上升、从微观角度The following weather forecast(天气预报)was reported on October 8th,2011.PlaceDayweatherLowHighTokyo, JapanSat.Heavy clouds14℃21℃Sun.Not regular morning rain15℃22℃London,UKSat.A shower(阵雨) in the afternoon14℃18℃Sun.Light,warm wind with low clouds14℃19℃Los Angeles,UsSat.Bright sunshine14℃27℃Sun.Partly sunny and pleasant14℃27℃San Francisco,USSat.Mostly sunny12℃21℃Sun.Mostly sunny and pleasant13℃21℃小题1:Which city was the warmest on Sunday? A. Los Angeles.     B.London     C. Tokyo         小题2:What was the weather like in London on Sunday? A.Snowy          B. Rainy      C. Windy小题3:On Saturday, the highest temperature in Los Angeles was______ higher than that in Tokyo. A. 5℃            B.4℃         C. 3℃ 小题4:It was rainy for some time______ in London on Saturday. A. in the afternoon.   B.at noon      C. in the morning小题5:From the information we can know that ______. A. London was the warmest city of the four on Saturday. B.the temperature in Los Angeles changed a lot between the two days. C.People in San Francisco could enjoy sunshine on the weekend.