资源的开发与利用
参考答案：通过多种开发手段不断发掘新资源，开发新原料，开发新产品等并加以利用，从而扩大植物资源产量和提高质量。
根据句意和首字母或提示完成单词。
1. The weather is very hot in s__________.
2. These are my p__________, my father and mother.
3. There is an English-Chinese d__________ on the teacher's desk.
4. How many __________ (city) are there in China?
5. These are __________ (they) pencils.
6. This is Betty. She is __________ (Tony) friend.
7. There are __________ (49) students in our class.
8. My favourite food is __________ (面条).
9. What are these? They are my __________ (foot).
10. His father is factory __________ (work).
It didn't take long for them to ______ the cheat，who pretended to be an expert in this field.
A．look through
B．go through
C．live through
D．see through
