题目内容

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. 隔周含漱一次，每次10ml，含漱1分钟
B. 每周含漱一次，每次10ml，含漱1分钟
C. 每天含漱一次，每次10ml，含漱1澉分钟
D. 每月含漱一次，每次10ml，含漱1分钟
E. 隔天含漱一次，每次10ml，含漱1分钟

查看答案

搜索结果不匹配？点我反馈

更多问题

—I'd like to see the movie very much, but I have no money on me. —That's OK. This is my ().

A. offer
B. treat
C. turn
D. service

Joe Jones, the eldest of the eight children, had to ______ out of high school at the age of 16 to help his father on the farm.

A. leave
B. drop
C. fall
D. go

下列对尖端探针用处的描述，不正确的是

A. 探针两端的尖端应保持锐利
B. 一般有两端弯曲不同的工作端
C. 工作端的角度可以任意改变
D. 用于检查龋洞和牙齿的感觉
E. 用探针检查时必须有支点

I'm going to the supermarket this afternoon. Do you have anything ______

A. to be buying
B. to be bought
C. for buying
D. bought