–What did you do last Sunday?–I ________ to see the movie Tai Jiong with my friend. It was really funny.
A:go
B:had gone
C:have gone
D:went
骆驼被称为“沙漠之舟”,它的体温随时间的变化而变化,在这一问题中,自变量是____ .
钟表的时针与分针在运行过程中每隔一定时间就相遇一次,相遇间隔的时间是( )