搜题请搜索小程序“爱下问搜题”
问题
单项选择题
病区噪音应控制在
A．60dB以下
B．80dB以下
C．40dB以下
D．30dB以下
E．50dB以下
答案
参考答案：C
判断题
弹响拇是拇长屈肌腱狭窄性腱鞘炎，弹响指是指屈肌腱狭窄性腱鞘炎。()
查看答案
选择题
— Is there any better way to help my son get rid of the habit of playing computer games?
— To tell you the truth, it's very hard. But we _____ on this problem to improve the situation.
A. were working
B. had worked
C. are working
D. had been working
查看答案
