1. Both the police and the workmen were grateful to the student for this piece of advance information.
    警察与工人都对那个学生事先通报情况表示感谢。

2. But there were times when not a single piece of dry wood could be found and even Humboldt lay with his eyes wide open, listening to the roars of the beasts that surrounded them.
    但也有一块干木也找不到的时候，就连洪堡也睁大了眼睛躺在那里，听着包围他们的野兽的吼叫。

3. C.You delay going to the doctor thinking that you will eventually feel better.
    c.你推迟就医，认为你最终会感到好一些的。

4. Why such a delay?
    为什么拖延这么久？

5. While attending secondary school, Engelbreit sold dozens of hand-drawn cards to a local shop for 25 cents a piece — her first venture into art and commerce.
    上中学时，恩格尔布赖特将几十张手绘的贺卡以每张25美分的价格卖给当地的一家商店，这是她第一次涉足艺术和商业领域。

6. What a piece of marketing took place in that doctor's office!
    那个诊所里就像在开展营销活动！

7. This piece of art work has achieved the acme of perfection.
    这件工艺品达到了尽善尽美的程度。

8. This essay is a most conscientious piece of work.
    这篇论文是精雕细刻的工作.

9. This is a piece of dismal news.
    这是条令人沮丧的消息。

10. This is a significant piece of legislation.
    这是一项重要立法。

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