计算-1+3-5+7=______.
-1+3-5+7=-1-5+3+7=-6+10=4.
用所给词的适当形式填空。
1. Be ____________ (careful), don't talk ____________ (loud) in class.
2. Let's enjoy ____________ (we).
3. ____________ (not throw) the ball to him.
4. The story is very ____________ (interest) and I am ____________ (interest) in it.
5. She is one of the best ____________ (run) in her school.
6. We use knives to ____________ (cut) apples.
7. Rose's school lunch and John's school lunch are ____________ (difference).
8. I really want ____________ (go) with you.
9. Jack ____________ (be) on TV tonight.
10. Listen! Who ____________ (knock) at the door?
行政机关应当在听证的( )前,通知当事人举行听证的时间、地点。
A.3日 B.5日 C.7日 D.15日