-33的计算结果是(    ) A、27          B、9          C、-9 

-33的计算结果是(    )

A27          B        C-9           D-27

答案

D

相关题目

下列各有机化合物的系统命名正确的是( ) A.CH2===CH—CH===CH2
下列各有机化合物的系统命名正确的是( ) A.CH2===CH—CH===CH2 1,3­二丁烯               B.3­丁醇   C. 甲基苯酚                    
要将山西省大同煤田的煤炭运输到上海,最为经济合理的运
要将山西省大同煤田的煤炭运输到上海,最为经济合理的运输方式是( ) A.铁路和公路运输 B.铁路和海运 C.内河和海运 D.公路运输
(08四川攀枝花)(4分)小勇同学骑着一辆自行车在乎直公路上
(08四川攀枝花)(4分)小勇同学骑着一辆自行车在乎直公路上匀速运动600m,所用时间为2min。求:(1)自行车行驶的速度。(2)若小勇和自行车总重680N,车胎
只发育成茎和叶的芽是 A.幼芽      B.枝芽      
只发育成茎和叶的芽是 A.幼芽      B.枝芽        C.花芽      D.混合芽
氨水(NH3•H2O)也是常见的碱,是由NH3溶于水形成的溶液.
氨水(NH3•H2O)也是常见的碱,是由NH3溶于水形成的溶液.氨水很不稳定,容易放出有刺激性气味的NH3.根据所学知识回答: (1)NH3•H2O在水溶液中解
        is known to all is that good friends        happiness and
        is known to all is that good friends        happiness and value to life.A.What;add to         B.It;add                   C.What;add   
Nowadays, millions of lonely singles are now going online instead, and therefor
Nowadays, millions of lonely singles are now going online instead, and therefore,  ___33___ World Wide Web is quickly becoming the world’s most popular matchmaker(媒人).      Singles are f
 Why not ____ help when you were in trouble? A. you ask for   B. ask for 
 Why not ____ help when you were in trouble? A. you ask for   B. ask for       C. asking for  D. to ask

最新题目