大学英语四级词汇集中训练10

　　A.impact

　　B.academic

　　C.insult

　　D.alternative

　　42.Please _______ me for my rudeness. I really do not know the custom here.

　　A. engage

　　B.comfort

　　C.execute

　　D.forgive

　　43.Water and air are _______ to human beings. We can not live without them.

　　A.harbour

　　B.function

　　C.definite

　　D.essential

　　44.When the airplane takes off, the passengers are told to _______ their seat belts.

　　A.fountain

　　B.fix

　　C.tight

　　D.fasten

　　45.This is not what we asked you to do. You can not get more pay for the _______ work.

　　A.owing

　　B.device

　　C.tired

　　D.extra

　　46.My throat is _______. I cannot speak any more.

　　A.sore

　　B.purchase

　　C.glow

　　D.faint