课前、课后练习，提高课堂效率

 选修六 unit2 poems课时练习
课前小卷                  
Ⅰ根据所给的首字母写出正确的单词
1. If one thing is t____________ into another, the second happens or is one as a result of the first.
2. Something that is s___________ contains salt or tastes of salt.
3. Without s______________, the earth is dark, the plants cant’ grow up.
4. A l___________ is something, usually a large quantity of or heavy objects, which is being carried.
5. A p_______  is a piece of writing in which the words are chosen for their beauty and sound and are carefully arranged.
Ⅱ短文改错
If you walk around in some public places, you will notice most of smokers are young people and some are still middle school students. It is said that in China the number of people smoking are about 45% . Why do so many