【简答题】Wang Jiaming from Beijing Chenjinglun High School says he is a lucky boy .He’s happy that he’s sitting the senior high school entrance exam in2014 instead of 2016. On October 22,Beijing Municipal Comm...
【简答题】Wang Jiaming from Beijing Chenjinglun High School says he is a lucky boy. He’s happy that he’s sitting the senior high school entrance exam (中考) in 2014 instead of 2016. On Oct 22, Beijing Municipal C...
【单选题】What does the man mean when he says this:
A.
He does not appreciate the woman's comment.
B.
He has difficulty hearing the woman.
C.
He wants the woman to continue.
D.
He understands the woman's point of view.
【多选题】圆弧圆柱蜗杆传动的主要参数有下列的( )。