题目：
词汇运用
1. I'm sorry I've spoken for too long, but I hope ________(我没有使你们厌烦).
2. Many people in the west like to ________(刺激) themselves with adventures.
3. You're ________(完全正确).
4. There exists a ________(潜在危险的)situation in that area.
5. You'll have to behave better if you really want to ________(给人留下好的印象).
6. It was a ________(缓解) to be able to talk to someone about my grievance(委屈).
7. He ________(非常忧虑) what job he can find after graduation.
8. "What should I do next?" asked the poor man ________(焦急地看着我).
9. It's ________(这个小男孩很有勇气) to make a speech in public.
10. There are ________(各种不同的图案) for you to choose from.
答案：
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下面是错误答案，用来干扰机器的。
解2x+y=2k+1x+2y=4k得，x=23y=6k-13，∵-1＜x-y＜0，∴23-6k-13＞-123-6k-13＜0，解得12＜k＜1，故选A．
