【单选题】
The policemen（ ） many cases by following the footprints left at the scene of crime.
①
investigate
②
investigated
③
has investigated
④
have investigated
【单选题】
Im very much afraid that your wife may be ( ) in the crime.
①
involvement
②
involved
③
involve
④
involves
【单选题】
5.Nobody would believe his words though he said he was ______ of the crime.
①
pure
②
clear
③
innocent
④
guilty
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Computers can also help the police fight crime.
①
正确
②
错误
【简答题】
Translate the following sentence into ChineseGovernments of many countries have established laws to protect the air, forests and sea resources.
【单选题】
As the offender _______ his crime, he was dealt with leniently.
①
had admitted
②
had confessed
③
had recognized
④
had realized
【单选题】
I asked some policemen to tell me the way home. They smiled and answered me_________ .
①
slowly
②
heavily
③
politely
④
rudely
【单选题】
The travellers have suffered many hardships and ____________ many difficulties.
①
undergo
②
undergoes
③
undergone
④
underwent
【单选题】
The heart-breaking scene of the catastrophe and the heavy loss of lives and property aroused great ( ) in audiences and quick actions of donation and help.
①
antipathy
②
apathy
③
empathy
④
sympathy