问题
单项选择题
某学龄儿童采用0．05％NAF漱口水预防龋齿，其使用方法应为（）
A.每月含漱1次，每次10ml，含漱1min
B.每周含漱1次，每次10ml，含漱1min
C.每天含漱1次，每次10ml，含漱1min
D.隔周含漱1次，每次10ml，含漱1min
E.隔天含漱1次，每次10ml，含漱1min
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
某学龄儿童采用0．05％NAF漱口水预防龋齿，其使用方法应为（）
A.每月含漱1次，每次10ml，含漱1min
B.每周含漱1次，每次10ml，含漱1min
C.每天含漱1次，每次10ml，含漱1min
D.隔周含漱1次，每次10ml，含漱1min
E.隔天含漱1次，每次10ml，含漱1min
参考答案：C
We wanted to study how students at our school spend money. In order to study this, we made some questions to ask our classmates. First, we asked our classmates how much money they spent in one month. Then we asked how much money they spent on things like drinks, music, books, movies, computer games, and other things. Our math teacher helped us make a graph of our classmates’ answers. Then we thought it would be interesting to compare these answers with our classmates’ expenses from last year. We used their answers to make another graph for their expenses last year. Looking at the two graphs, it is easy to compare the expenses for the two years. Some of their expenses increased, but others decreased. This was a very interesting project for us. 注：⑴ graph 图表 ⑵ expense消耗，消费
小题1: What did the students spend most of their money on?
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