-- _________ do you like ping-pong?
-- Because it is relaxing.
A:How
B:When
C:Why
D:Where
下列函数中,自变量x的取值范围是x>﹣2的是( )
读“北半球中高纬度环流”示意图,完成小题。
某人的胸围差越大,说明他的肺活量越小.(判断对错)
____