根据句意，用适当的词填空。

1.There are ________ days in a week.

2.My favorite ________ is hamburgers.

3.________ is the third day of the week.

4.I don’t like science ________ it is too difficult.

5.Maria likes to ________ a little longer on Sunday morning.

6.Mary likes art ________ she doesn’t like music.

对设备进行性能检查，就是对设备的加工精度进行检查和测定。