单项选择题 下列关于过滤器的说法错误的是（ ）。

单项选择题 A2 题型 患儿男,9岁,患风湿性心内膜炎,应绝对卧床休息的时间 A、2周 B、4周 C、6~12周 D、1年 E、2年

单项选择题 在清明节前采摘的茶叶叫明前茶。 A、正确 B、错误

问答题 [填空1](2020年10月6日) Dear Sir/ Madam,       I would like to make a reservation at your hotel. The party is composed of 2 persons. I’d like to[填空2] (预定) two single rooms with shower. We may[填空3] (入住) at about 3:00 p.m. on May 16th. And we will [填空4] (住8晚) – from the 16th to the 23rd.      From the 17th to the 21st, we would need a conference room which is equipped with a computer and a projecting apparatus.       Please send me a written confirmation of this reservation and a brochure of the price offer and the restaurant in your hotel by May 10th. My e-mail address is Amy@sina.com. [填空5] (你忠实的) , Amy

判断题 ( )10.生产中要经常检查饮水量和饮水器情况。