1. [单选题]Howmanypiecesofadvicearegiventotheteenagerswhohaveproblemsinthispassage?
A. Two.
B. Three.
C. Four.
D. Five.
2. [单选题]某企业获得10万元贷款,偿还期五年,年利率10%,每年末只还所欠利息,本金在第五年末一次还清,则五年还款总额为( )万元。
A. 13
B. 15
C. 18
D. 20
3. [单选题]19.
A. with
B. for
C. to
D. from