题干
In the past , people used _____that the moon was too far away ________.But now it is possible for man ____there by spaceship.
A：to think ,not to reach ,to get
B：to think ,to reach ,to get
C：to thinking ,to reach ,will get
D：thought ,to reach , to get to
答案(点此获取答案解析）
B
,平面
,且
,给出下列命题:①若
∥
，则m⊥
；
