单项选择题

Some linguists believe that the______age for children learning a foreign language is 5 to 8.

A．optimistic
B．optional
C．optimal
D．oppressed
<上一题 目录 下一题>
热门 试题

单项选择题
The purchaser of this lorry is protected by the manufacturer's warranty that he will re- place any defective part for five years or 50,000 miles.
A．prohibition
B．insurance
C．prophecy
D．guarantee
单项选择题
He was concerned only with mundane matters, especially the daily stock market quotations.
A．rational
B．obscure
C．worldly
D．eminent
相关试题