问题
多项选择题
无热再生干燥器常用的干燥剂是（）。
A.硅胶
B.氧化铝
C.分子筛
D.活性炭
答案
参考答案：A, B, C
搜题请搜索小程序“爱下问搜题”
无热再生干燥器常用的干燥剂是（）。
A.硅胶
B.氧化铝
C.分子筛
D.活性炭
参考答案：A, B, C
| 任务型阅读。根据短文内容填入相关的信息，完成下列表格。 | ||||||||||||||
| Mike is the manager of a computer company. He is going to Shanghai for an important meeting. The meeting will start on September 24th. When he calls the booking office for a ticket, he is told that there are only flights to Shanghai on September 23rd. One is at 10:30 in the morning, and the other is at 3:30 in the afternoon. Mike can't leave until lunch time, so he has to take the 3:30 flight. The flight number is BA345, He has to pay 800 yuan plus another 50 yuan for the airport construction fee (建设费).
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