They use computers to keep the traffic________smoothly.
A:being run
B:run
C:to run
D:running
在棱长为1的正方体ABCD﹣A1B1C1D1中,M和N分别为A1B1和BB1的中点,那么直线AM与CN所成角的余弦值是( )
(2015•玉林)下列图象不能正确反映其对应关系的是( )
— Yeah, you cannot imagine interesting it is if you don't experience it yourself.
填上>或<
35 ____ 37