1 . 根据句意，选择单词或短语并以其适当形式填空。

concern     leap     collapse     push     delivered     drawn fixed     composed     pioneering     exposure     accumulated

1. Every substance, no matter what it is,is________of very small particles.
2. The animals in the thick bush were________to the campsite by the smell of the cooked food.
3. Like many advancements in civilization, the concept of a(n)________ year came from the Egyptians.
4. The Chinese Embassy________a large number of daily necessities in time in aid of the refugees in Afghanistan.
5. It never occurred to him that ________to the air for only a few seconds would infect him with the virus.
6. The pioneering research demonstrated that some people tend to see their abilities as ________.
7. The achievements of athletes inspire us to ________the boundaries of what our bodies are capable of.
8. Despite the struggles and challenges in the previous days, today’s________ treatment and cutting-edge technology is sure to help us find a cure for cancer.
9. Sartre refused the Nobel Prize out of________that it would somehow affect his independent thinking.
10. The rigorous and highly structured education in the institute paved the way for his undergraduate study and his knowledge about chemistry ________ over time.