语法与词汇 6.Which of the following cannot be a proof to the statement "speech is prior to the writing"?

A、 Many languages do not have a writing system.
B、 Children always learn to speak before they learn to write.
C、 Blind children have no difficulty in learning to speak but deaf children have great difficulty in learning to read.
D、 Modern English teaching emphasizes more on the students' improvement of oral English.

【正确答案】 D

【答案解析】“Language is a system of vocal symbols”。声音先于文字存在。A、B、C三个选项均对此进行了论证说明.D选项只是强调了现代英语教学中口语教学的重要性，且表达上存在片面性。