下列哪一个逻辑运算符的优先级排列不正确( ) A.AND/NOT/OR B.NOT/AND/OR C.OR/NOT /AND D.OR/AND/NOT

The mouth is______intelligent than the ears, for they are both controlled by the brain. A: not so B: B．not much C: much more D: D．no more

NOSQL是（)的缩写。 A: A.Not SQL B: B.Not Only SQL C: C.Not Use SQL D: D.Now SQL

You’d better _______ computer games for a long time． A: A．no playing B: B．not to play C: C．not play D: D．don’t play

——I hope the children won´t touch the dog. ——I´ve warned them ______. A: A.not B: B.not to C: C.not touch D: D.not do

在C语言中能代表逻辑真的是________ A. YES B.Not C. 非0的数 D.等于0的数

—Would you like to go to the hospital to help the sick kids this Sunday? —_______．I’ll be free then． A: A．Sorry，I can’t B: B．Not at all C: C．Thank you D: D．Sure，I’d love to

Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is(73)in computer systems. A．useless B．not important C．simple but important D．too simple to be useful

Whichtwowordsareclosestinmeaning?<br/><b>cycle</b><b>，</b><b>hawk</b><b>，</b><b>convey</b><b>，</b><b>extort</b><b>，</b><b>peddle</b><b>，</b><b>summon</b>

设A{a,b}，则P(A)×A = (   )。 A: A B: P（A） C: {<Φ,a>,<Φ,b>,<{a},a>,<{a},b>,<{b},a>,<{b},b>,<A,a>,<A,b>} D: {<a,,Φ,>,<b,,Φ,>,<a,{a}>,<b,{a}>,<a,{b}>,<b,{b}>,<a,A>,<b,A>}