问题
单项选择题
讲果实概念时，不要只选可食的果实(如苹果等)，还要选择一些不可食的果实(如橡树子等)，这是运用( )
A．概括
B．原型
C．练合
D．变式
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
讲果实概念时，不要只选可食的果实(如苹果等)，还要选择一些不可食的果实(如橡树子等)，这是运用( )
A．概括
B．原型
C．练合
D．变式
参考答案：D
Passage Four
Why haven’t British government bodies initiated any studies
A．Because they do not take the problem of sleepy drivers on motorways as of great significance.
B．Because they have not been aware of the seriousness of the problem of sleepy drivers.
C．Because they have no figures on the number of accidents caused by drivers’ sleepiness.
D．Because they plan to support relevant researches or a general study on "driver behaviour".
