假定变量a=2, b=3, c=1, 则表达式:c==b>a || a+1==b--, a+b 的值是_____
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假定 int a=2, b=3, c=0, 表达式: (a==b>1)+(a&&!c)+b/a*2.0 的值是______
假定变量a表示年龄,x表示毕业年数,领取社会补助的条件为毕业3年内,1994年后出生,那么如何设计表达式表达该条件_____
She had _give the doorman a tip in order that he would help her with her suitcase.
A. to
B. on
C. in
D. a
It was an hour until the ppolice.
A. arrived
B. arrive
C. arriving
D. arriveding