（1）计算：(-2)0÷14×(12)-2-23；（2）化简：12+3-122．-数学

更多内容推荐

• 计算：（1）23-1-sin60°+（-25）0-124；（2）[(a+1)(a-2)a2-4a+4-aa2-2a]÷aa-2．-数学
• —The weather report says it is going to be a fine day.—But I will take an umbrella with me ______ ra
• She devoted herself ______ to her research and it earned her agood reputation in her field.A．strongl
• In view of the worsening environment, the local government is seeking advice from Professor Smith, w
• He often keeps English _______ ___________,A．week; tidilyB．weekly; orderlyC．the week; tidyD．weeks;
• ----That kind of computer is far too expensive. ----- I’ll buy one, ______ .A．thoughB．soC．eitherD．to
• 计算：（1）48+23-27（2）(12)-1×(3-2)0+48-|-2|．-数学
• The reason why we were so late is________A．because of the car’s breaking downB．That the car breaking
• The landscape photographer is _______ the lighting conditions that are present at the time of the sh
• When she heard the ring, Sharon reached for the phone. "Call an ambulance!" she heard Kevi
• 计算：（3-2）-1×3+（-2）2÷（-1）-3．-数学
• The committee is discussing the problem right now. It will_____ have been solved by the end of next
• ______ we ______ to these immediate crises abroad, we also will not let up in our effort to deal wit
• Children are taught to respect everyone, ______ race, sex or age.A．in terms ofB．in the face ofC．rega
• Carl wanted to play a joke on Bob but gave himself _____ by laughing.A．awayB．in C．outD．up-英语
• 计算：(13)-1-4+20130．-数学
• 计算：(12)-1-(π+3)0-cos30°+12+|32-1|．-数学
• Christmas is a holiday usually celebrated on Dec. 25 ________ the birth of Jesus Christ.A．in charge
• Don’t worry. I’m sure you’ll succeed _______ if you work hard.A．on timeB．in timeC．at timesD．ahead of
• ---- Do you think it’s a good idea to make friends with your students? ---- , I do. I think it’s a g
• （1）(2008-π)0+(13)-1-2cos45°；（2）当x=-13时，求(3xx-1-xx+1)÷xx2-1的值．-数学
• We are now enjoying the cool air in the room. ____, the farmers are harvesting crops in the hot sun.
• He often dreams of going_____.A．aboardB．abroadC．boardD．abandon-英语
• The USA and some other countries helped the rebels in Libya ______ their promise to support democrac
• The success of a government should be measured the health and happiness of the people as well as the
• Tell your brother to come _____, because it's going to rain in a minute or two.A．indoorsB．outdo
• 若2x=18，则x的值为（）A．-3B．14C．3D．16-数学
• 计算或化简：（1）计算：|-3|+(5-1)0-(16)-2；（2）化简：1-a2a2-1÷aa-1．-数学
• 计算（1）(π-1)0+(12)-1+|5-27|-23（2）912÷5412×36．-数学
• This football player was accused of taking money for not scoring goals ______.A．by chanceB．on endC．i
• When we ran to the top of the hill, we were _____ .A．out of fashionB．out of workC．out of the questio
• It was raining heavily. Little Mary felt cold, so she stood ___to her mother.A．closeB．closelyC．close
• More than one-third of the Chinese in the United States live in California, _____ in San Francisco.A
• 计算：（1）(3-1)0+(13)-1-0.1259×89-(-5)2；（2）(a-2a2+2a-aa2+4a+4)÷(-4a+2)．-数学
• As is known________ us, the actress is known________ her excellent actingA．for; asB．to; forC．as; for
• It’s enjoyable to walk ______ a sunny morning.A. atB inC. onD. under-高一英语
• I’m not ill. __________, I ’m very healthy.A．HoweverB．On the contraryC．ThusD．Instead of-高一英语
• 下列计算正确的是（）A．(12)-2=14B．(13)-2=-9C．π0=0D．（a2+1）0=1-数学
• Please don’t run _____ far. A．muchB．moreC．thatD．fairly-英语
• 计算：(2+1)0-2-1+27-6sin60°．-数学
• In the good care of the nurses , the boy is recovreing from his heart operation .A．quietlyB．actually
• We' ve published large quantities of books. This year___ we've published three million.A．o
• 28. You have done wrong to Jack, _____you should say sorry to him. A．to whichB．for whichC．in whichD．
• Living with host families, ________ there may be other college students, gives her the chance to lea
• A terrible earthquake struck Yushu in Qinghai Province,so people there are badly________daily necess
• 下列算式中，正确的是（）A．x2÷x×1x=x2B．2x2-3x3=-x-1C．（x3y）2=x6y2D．-（-x3）2=x6-数学
• I believe that Mary hurt her boyfriend’s feelings on purpose rather than __________ as she said.A．in
• Having made his first film earlier this year, he is _____ starting in a new one.A．currentlyB．actuall
• （1）计算：（π-3）0+2-1-cos60°（2）解分式方程：1x-1=12-x（3）先化简，再求值：a-3a2-1+1a-1，其中a=22-1．-数学
• My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive