2020年考研英语作文高分句型分享：分词短语

分词短语

　　Faced with such difficulties, there is no choice for them but to quit.

　　Fighting against the bad weather, an umbrella can shelter people from wind and rain.

　　After seeing so many experiments, smokers become aware of the harm of smoking.

　　Having suffered such heavy pollution already, it may now be too late to clean up the river.

　　Judging from his appearance, we may guess that he is an old doctor.