A.Iron.
B.Mercury.
C.Gold.
D.Lead.
A.People should try to use as less electronic products as possible.
B.People can deal with the electronic waste in a safe way.
C.The government can do nearly nothing in front of the electronic waste.
D.People are helpless in front of electronic waste.
A.They can afford the huge debts.
B.Their parents are supportive.
C.It helps get high-income jobs.
D.It's helpful to cope with globalization.
A.The blue-collar workers will work overseas.
B.It is difficult to obtain a post-secondary credential.
C.The trend of globalization is enhanced.
D.The manual labor will be replaced by automation.