计算：(3+1)2001-2(3+1)2000-2(3+1)1999+2001-数学

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• 计算212-613+8的结果是（）A．32-23B．5-2C．5-3D．22-数学
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• Don’t interrupt me. I ________ letters all morning and have only finished five.A．writeB．have writte
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• We don’t know if she _____ home. If she ____, I’ll tell you.A．comes; will come B．will come; will com
• The people _____ the murderer everywhere when he suddenly _______ in the hospital.A．searched for; ap
• — Sorry to have interrupted you. Please go on.— Where was I?— You ____ you didn’t like your present
• —I haven’t seen Tom for years. Any news about him?—Hein a toy factory for two years. Now he’s workin
• 计算：（1）-3-(-16)(-36)；（2）123÷213×125；（3）212+3113-513-2348；（4）48-54÷2+(3-3)(1+13)；（5）3a2b-(ba÷21b)．-数学
• —Did you hear about the air crash? I feel so lucky! —Yes．If you _____ that flight, I _____ speaking
• By the time he realizes he ______ into a trap, it’ll be too late for him to do anything about it.A．w
• ----Hi, Tracy; how are you doing?-----I’m tired out, for I ______my living room all day.A．paintedB．h
• 计算：（1）18-212-1432（2）a2-128a-2a．-数学
• 下列计算正确的是（）A．3+5=8B．3+5=35C．6a-5a=aD．5a-4a=3a-数学
• 当a=7+5，b=7-5时，a-b=______．-数学
• 计算：(18-48)-(0.5-213-32)-数学
• — I’m sorry, I shouldn’t have been so rude to you.— You _____ your temper，but that’s OK.A．have lostB
• -- Miss Wang ,I hear that you ___________along the Mekong River. Have you got everything ready?--Alm
• —Time. It’s likely that we will miss the bus.—Don’t worry. There are still 10 minutes left.A．has run
• 计算：（1）75-108+54-3（2）（4+23）（4-3）（3）1848-（23412-234）（4）15[（5+12）2-（5-12）2]-数学
• By the time Jack returned home from England, his son. from college.A．graduatedB．has graduatedC．had b
• 下列计算错误的是（）A．14×7=72B．60÷5=23C．9a+25a=8aD．32-2=3-数学
• 化简：12+1+13+2+…+199+98+1100+99．-数学
• 计算8-2的结果是（）A．2B．2C．6D．6-数学
• I ______ Beijing for Shanghai in a few days. Do you know when the earliest plane ________?A．leaves;
• 34. She won’t be able to come next week, because she_________herself in Mount Tai then.A．enjoysB．wil
• （1）12a+34a3-78aa5-14a2a7（2）(4bab+1aa3b)-(3aba+9ab)(b＞0)-数学
• . —Why didn’t you response to their greeting?—Sorry. I ______they ______ to me.A．don’t realize; are
• He was very busy yesterday, otherwise he ____ to the meeting.A．would comeB．cameC．would have comeD．ha
• —An ant has two stomachs—one for itself, one for others. —Really? Quite interesting. I ________ anyt
• 计算：18-32+2-数学
• 下列等式成立的是（）A．8-3=8-3B．4+9=4+9C．32-2=22D．2+2=22-数学
• Up to now, the program ______ thousands of children who would otherwise have died.A．would saveB．save
• —________youreadthestory?—Yes.I_____________itatschool.A．Have;readB．Did;readC．Have;havereadD．Did;hav
• Look! The students are showing how to operatethe mechine in the workshop now. A B C D-英语
• Man _____ profit, sometimes even being unaware of the harm he has done to the environment.A．is alway
• ---Are you still going work on foot?---Yes. My car _______ in the garage.A． is being repairedB． has
• 化简：18-8=______．-数学
• —Haven't I told you that you should be home earlier?—Yes, but I________home earlier than I usua
• 计算：（1）20-595（2）16a2+6a9-数学
• Ladies and gentlemen, please fasten your seat belt. The plane __________. A．takes offB．is taking off
• 计算：22+8-412．-数学
• It took me a long time before I was able to fully appreciate what they ______ for me.A．had doneB．did
• 化简：212+27=______．-数学
• 化简：38-532的结果为______．-数学
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