厉以宁教授认为，效率实际上有两个基础：物质技术基础和（）。A、生产效率基 B、文化基础

Many students have hobbies, such as reading, painting, growing vegetables in their gardens, and looking after animals. Some hobbies are relaxing and ___(1) are creative（有创造性的）. Hobbies can develop your interests and help you learn new skills.
David Smith is a student. His hobby is writing. ___(2) the summer of 2000, he spent four weeks on a summer camp. As well as the usual activities, such as sailing, climbing and mounting biking, there was a writing workshop with a profession ___(3). “She asked us to imagine that we were in a story. Then we wrote about our ___(4) at the camp.”
In senior high school David wrote a story about teenage life, and it ___(5) as a book in 2003. Many teenagers love his book, and as a result, David has become a ___(6) young writer.
David has been very lucky ___(7) his hobby has brought him enjoyment and success. But he is ___(8) interested in many other things. “I like playing volleyball, too.” says David. “I spend some of my free time playing volleyball for my school team. ___(9) I’ll write more books in the future, but I’m not sure.”
It's something difficult ___(10) that we shouldn't spend all our time on our favourite hobby. There are many other interesting things to do in life, and we should try to do something new or different.

小题1:	A．other B．others C．the other D．another

小题2:	A．During B．At C．For D．On

小题3:	A．manager B．doctor C．singer D．writer

小题4:	A．experiences B．examples C．excuses D．experiments

小题5:	A．took out B．tried out C．came out D．went out

小题6:	A．successful B．normal C．polite D．lonely

小题7:	A．or B．but C．because D．though

小题8:	A．too B．also C．only D．either

小题9:	A．Usually B．Immediately C．Maybe D．Once

小题10:

A．remember B．remembers C．remembered D．to remember