11.Experts warn that medical waste from hospitals，if properly，may lead to the spread of disease.

A.not handled B.not being handled

C.not to be handled D.not having handled

12.The troops out of that country by the end of next month and they were sent there 3 years ago.

A.have withdrawn B.will withdraw

C.had withdrawn D.will have withdrawn

13.It is reported that more than half of surveyed on the website say they are content with their current life.

A.whom B.them C.ones D.those

14.Had I taken my umbrella with me when I came out in the morning，I wet now.

A.shouldn't have been B.hadn't been

C.wasn't D.shouldn't be

15.It's always a good idea to have a second key somewhere you lose the first one.

A.in case B.now that

C.even though D.as long as

第二节　完形填空(共20小题；每小题1分，满分20分)

　　请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

The Beginning of Drama

　　There are many theories about the beginning of drama in ancient Greece.The one most widely accepted today is based on the 16 that drama evolved from ritual(宗教仪式).The argument for this view goes as follows.In the beginning，human beings 17 the natural forces of the world-even the seasonal changes-as unpredictable，and they sought through various means to 18 these unknown and feared powers.Those measures which appeared to 19 the desired results were then kept and repeated until they changed into 20 rituals. 21 stories arose which explained or masked the mysteries of the rituals.As times passed，some rituals were 22 ，but the stories，later called myths，continued to exist and provided material for art and drama.

Those who believed that drama evolved out of ritual also argued that those rituals contained the 23 of theatre because music，dance，masks，and 24 were almost always used. 25 ，a suitable site had to be provided for performances and 26 the entire community did not participate，a(n) 27 division was usually made between the "area of acting" and the "area in which an audience sits".Besides，there were performers，and，since considerable importance was 28 to avoiding mistakes in the practice of rituals，religious leaders usually 29 that task.Wearing masks and costumes，they often imitated(模仿) other people，animals，or