狂犬病的主要传染源是（）
A.病人或携带者
B.蚊
C.鼠
D.猪
E.狗
参考答案：E
改错（10分）
小题1:Her mother oftentells her doesn’tplay in the street.
A B C D
小题2:To shesurprise, this phone call changedher life.
小题3:“Where is he ?” “He has been to Paris.”
小题4:Learn a foreign languageis very important for us.
小题5:The boy is not enough oldto be a volunteer. __
何谓跳频（Frequency-Hopping Spread Spectrum）？
