1. The firms are not allowed to set up any trade ________ among them.
A. barrier
B. blame
C. benefit
D. duty
2. The street was ____________ by the police for fear that there was a bomb.
A. deceived
B. delivered
C. damaged
D. blocked
3. The economy in this city was _______ by the new investment from abroad.
A. cancelled
B. boomed
C. buried
D. crowded
4. On _______ of the school, I’d like to welcome you all.
A. behalf
B. dairy
C. decade
D. delight
5. He is a ______ boy because he was not afraid of fighting with the bad man.
A. damp
B. delicate
C. cruel
D. bold
参考答案：
1 题：答案为A。barrier 壁障；blame 指责；benefit 受益；duty 责任。
2 题：答案为D。deceive 欺骗；deliver 送；damage 损坏；blocked 阻塞；封锁。
3 题：答案为B。cancel 撤消；boom 繁荣；bury 埋；crowd 使拥挤。
4 题：答案为A。behalf 代表；dairy 牛奶场；decade 十年；delight 高兴。
5 题：答案为D。damp 潮湿的；delicate 娇气；cruel 冷酷的；bold 勇敢的。
责任编辑：小草
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