题目内容
4.__________________ (直到今天）， scientists haven't found out the answer to the question.
4. To this day
3. Kay,prefer...to...
4. The technology was developed in 1813. The technology spread to Japan and Europe.(合并为一竹有定语从句的复合句）
( ) 4. It is a great to welcome you back home,
A. please B. pleased
C. pleasure D. pleasant
think ，ancient, teach , thought, influence
Confucius was a great man in 1 China. He was born in the state of Lu in the year 551 B. C. He was a 2 and educator. He spent most of his time 3 and writing. His wise ideas and 4 about human nature and behavior are so useful that they 5 many people in different countries. 1._______ 2.________ 3._____4. 5..________
5. To keep healthy, you must give up smoking.(改为同义句）
To keep healthy， you must smoking.
4. The laptop is an important t for our daily work.
4. This is a machine. It can tell us the time. (合并为一句）
This is a machine tell us the time.
3. (在……之末)February, most students in China will return to school to study.
