问题
选择题
The teacher warns us ____ loudly in the classroom. [ ]
A. not speak
B. not speaking
C. not to speak
D. don't speak
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The teacher warns us ____ loudly in the classroom. [ ]
A. not speak
B. not speaking
C. not to speak
D. don't speak
答案：C
＝8.05，S＝0.125，则该批电阻的电阻值低于下规格限的概率约为（）。