《专利法》哪一年颁布的（）
A.1984
B.1981
C.1982
D.1983
参考答案：A
看图写词组。
1.2.3.
4. 5.6.
---Did you enjoy yourself at the concert? ---Yes, I’ve never been to ________ one before.
A．a more excited
B．a more exciting
C．the more excited
D．the more exciting
2.
3.
5.
6.