2. To a certain extent， you can be a good teacher. （简单句前面加上程度状语）
3. Rather than decreasing， the population in China is increasing. （简单句前面加上分词短语）
4. With skilled workers， we could accomplish the task within the deadline； without proficient workers， we should have to give up half way. （排比句型增加句子可读性）
5. A case in point is my neighbor， who lost both legs in a traffic accident. （举例子方法）
6. According to a recent survey made by professor Wang， head of social department in Peking University， 90% of the people across the country are suffering from the problem. （举例子方法）
7. With the rapid advances in the standard of living of the Chinese people in recent years， air conditioners have joined other household electrical appliances as items. （举例子方法）
8.___is usually the first to be considered， but it is not the most important. The most important aspect of the phenomenon has much to do with___. It is in this area that ___find themselves having to face many confusing and conflicting feelings. （经典原因段）
9. Basically， what we see in this picture/really matters is a bird lamenting the fact that its home has been destroyed. （主语从句描述现象）
10. There is no denying that automobiles are indications of civilization， progress and development； nevertheless， automobiles cause the serious problem of air pollution..（名词性从句引出观点）
