单项选择题

The author says that professional linguists recognize that ______.

A．Western languages are superior to Eastern languages
B．all languages came from grunts and groans
C．the hierarchy of languages is difficult to understand
D．there is no hierarchy of languages
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单项选择题
The words hold more (Line 2, Para. 1) most probably means ______.
A．keep more in the store
B．give more rights
C．keep more interested
D．maintain more chances
单项选择题
Which of the following statements is NOT true according to the passage
A．Many fields of science and technology are now using electronic computers effectively.
B．High technology is nothing but a new type of teamwork plus CAD and CAM.
C．No details are given in the passage about barriers between traditional design and manufacturing functions.
D．Experts from different fields have to cooperate to develop a product from concept to production.
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