5. The firms are not allowed to set up any trade ()among them. A. barrier B. blame C. benefit D. duty ...
5. The conference was () by one hundred experts in this field. A. announced B. declined C. attended D. planned ...
16. elegant means being beautiful and graceful A. 错误 B. 正确 ...
11. a good father should be proud, silent, dignified A. 错误 B. 正确 ...
5. scant means enough A. 错误 B. 正确 ...
17. The broad aim of the conference was that experts working in the same technical area should meet to exchange () A. experiment B. exposition C. expertise D. emotion ...
8. After one month he started selling computers again — with a () vengeance A. dangling B. vengeance C. endowment D. luxury ...
20. consumer is someone who spends money to buy stuff A. 错误 B. 正确 ...
13. reciprocal means mutually harmful A. 错误 B. 正确 ...
3. ambitious means full of ambition, esp. for success or money A. 错误 B. 正确 ...