已知am=4,an=16,那么a m+n的值为( ).
64
用所给词的适当形式填空。
1. I like dolphins, but my father likes_____________ (kangaroo).
2. Kate went to the zoo with her brother _____________ (happy).
3. He____________to you if he has time. (write)
4. I think I am old enough to decide what ____________ (do).
5. A t the _________, he knew little about animals.(begin)
6. People can use tigers' bones to make __________(medical)
7. ________, we lost the match in the end. (sad)
8. Hunters will make a lot of money if they sell __________ tusks.(elephant)
9. Would you please _______ me around your school?(show)
10.Did you have a good time _______ in the park?(play)
1997年3月刑法修订后,全国人民代表大会常务委员会颁布了几个单行刑法和几个刑法修正案( )
A.一个单行刑法和四个修正案
B.一个单行刑法和六个修正案
C.两个单行刑法和四个修正案
D.两个单行刑法和五个修正案