1、Professor Smith and Professor Brown will _____ in giving the class lectures.

　　A.exchange　　B.alter　　C.shift　　D.alternate

　　2、Pack the cake in a strong box, or it might get _____ in the post.

　　A.splashed　　B.spilt　　C.crushed　　D.crashed

　　3、The thief _____ the papers all over the room while he was searching.

　　A.abandoned　　B.vanished　　C.scattered　　D.deserted

　　4、Today, housework has been made much easier by electrical _____.

　　A.facilities　　B.appliances　　C.instruments　　D.equipment

　　5、The _____ of the trees in the water was very clear.

　　A.mirror　　B.sight　　C.reflection　　D.shadow

　参考答案：

　　1、D　2、C　3、C　4、B　5、C