单项选择题
Today's computers can process data （） times faster than the 1952 model, ILLIAC.
A．4 B．100 C．200 D．4,000
单项选择题 The writer of this letter attempts to （）the views in the editorial.
单项选择题 The author's main argument is that（）
单项选择题 The primary purpose of the letter is to（）
