Question

There are lots of plastic bags ____ in the river, ____ it very dirty.

1. A.
   floating; making
2. B.
   to float; made
3. C.
   being floated; made
4. D.
   floated; making

Answer 1

A
试题分析：因为整个句子已经有谓语动词，故应用非谓语动词，第一空bags与float之间是主动关系，故用现在分词表示主动与进行；第二空making来表示自然而然产生的结果。故选A。
考点：考查非谓语动词的用法。
点评：本题难度适中。非谓语动词是近几年高考的热点，本题是对已学知识点的回顾，需要考生能够理解该题的语言环境，进而作出正确的判断。会判断非谓语动词与它的逻辑主语之间是什么关系，需要考生掌握非谓语动词的不同形式的用法区别等。
即学即练：He hurried to the station only ______ that the train had left．
A． to find    B． finding     C． found     D． to have found
解析：A。only to find表示意想不到的结果。