计算机硬件系统中，CPU是( )的英文缩写。

单项选择题20().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

单项选择题19().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

单项选择题18().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

单项选择题17().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

单项选择题16().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.