【单选题】 ______ are/is powerful indirect socialization agents.
A.Parents
B.Friends
C.Teachers
D.The media
【单选题】 The author's purpose is to ______
A.give the basic facts of unemployment
B.explain the reasons of unemployment
C.introduce new jobs to the unemployed
D.offer encouragement to the unemployed
【单选题】 A book put on the table overnight would ______ the following morning.
A.not be found again
B.not be touched again
C.stay exactly where it was left
D.be provided to someone else
【单选题】 One of the effective ways to lessen environmental pollution is the reservation and protection of more swamps.
A.vast thick corals
B.pockets of wet land
C.warm volcanoes
D.millions of bees and wasps
【单选题】 The new Personal Digital Assistance contained a large ________ of information about an individual life.
A.deal
B.amount
C.number
D.account