9.____________vt.发音；宣告→n.发音__________; n.公告，声明____________

8. _________adj.诚实的；正直的→adv._________→n._________

7. _______vi.争论；争辩→n. 争论__________

6. _______v.&n. 打猎；搜寻→n.猎手_________

5. _______ n. 锤子→v. 捶打_______

4. _______ v. 投掷；投射→过去式_______;过去分词_______

3. __________n.&v. 冒险；冒险经历→n. 冒险家___________;adj.冒险的__________

2. _______ n. 演说，讲话→v._______; n. 演讲家_______

1. _______ n. 谎言；谎话→v._______; 过去式_______; 过去分词_______

5. Is this the research center where/in which we visited the modern equipment last year?