We cannot see any possibility of business ____ your price is too high.
A. since
B. while
C. though
D. that
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In ____ of quality, our make is superior.
A. terms
B. term
C. connection
D. connections
Software is divided into two categories,system software and application software.Please choose one which is differ from other three
A. WindOws 98
B. Word 2000
C++compiler
D. FoxBase DBMS
If we had been informed in time, we () them for you.
A. reserve
B. will reserve
C. would have reserved
D. will have reserved
设栈S和队列Q的初始状态为空,元素e1,e2,e3,e4,e5和e6依次通过栈S,一个元素出栈后立即进入队列Q,若6个元素出队的顺序是e2,e4,e3,e6,e5,e1,则栈S的容量至少为
A. 2
B. 3
C. 4
D. 5