Pentium (80586) 微处理器与80486 DX相比，它的特点是( )。
A. 有高速缓存(Cach存储器
B. 内部数据总线是32位的
C. 外部数据总线是64位的
D. 有浮点处理功能
We preferred to put the meeting off rather than _____ it without adequate preparation.
A. hold
B. holding
C. held
D. to hold
_____ we go by train or by boat makes no difference.
A. If
B. When
C. Whether
D. That
The art exhibition was well-designed _____ the disarrangement of a few photos.
A. except that
B. in addition to
C. except
D. except for
微信支付 
支付宝支付