计算：2-2sin45°-（1+8）0+2-1．-数学

更多内容推荐

• They are ___ little children that we all like them.A．soB．suchC．veryD．quite-英语
• Mr. Johnson starts to work very early in the morning and goes on working until late in the afternoon
• His report was so exciting that it was____ interrupted by applause(掌声).[ ]A. constantly B. constantC
• —You seem to show interest in cooking. —What?_________, I’m getting tired of it. A．On the contraryB．
• 短文改错。 以下标有题号的每一行均有一个错误，请找出，并按下列情况改正：此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。此行缺一个词-高三英语
• Many friends send telegrams to congratulatefrom the famous university.[ ]A. her graduationB. her gra
• 计算：(π-3)0+4-(-1)2011-2sin30°．-数学
• Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o&#
• （1）计算：4+(12)-1-2cos60°+(2-π)0；（2）化简：（x+y）2-x（x+2y）-数学
• I went along thinking of nothing________,only looking at things around me. [ ] A. in particularB. in
• He was so nervous during the test. No _____ he didn't pass the exam. [ ]A. way B. surprise C. w
• The government claims that the economy is improving, but this survey suggests ______. [ ]A. moreover
• The best job is one which uses your skill in doing something ______ your interest in the subject. [
• 计算：|-3|+（-1）2012×（π-3）0-327+(12)-2．-数学
• 指出错误并改正。 1. I persuaded Father to stop drinking, but failed. _______________________________________
• In the good care of the nurses, the boy is ____ recovering from his heart operation.A．quietlyB．actua
• The customer bargained with the shopkeeper for a long time, and finally they agreed ___________ the
• he newly-discovered star was named _____ a Chinese astronomer ________his contributions to astronomy
• After the operation,my brother is now ______ on his feet and is living an active life. [ ]A. partB.
• （1）计算①(-13)-2-16÷(-2)3+(π-32)0-23×3．②614+33+38+|2-3|-3-(-4)2．（2）因式分ax2-2ax+a；（3）先化简，再求值：a+1a-1-aa2-2
• . --- Believe it or not, I passed the driving test at the first attempt yesterday.--- Great! But rem
• I noticed her eyes ______, because they were very large and beautiful.A．in generalB．in particularC．
• Children are taught to respect everyone, _____race, sex or age. [ ]A. in terms of B. in the face of
• 单句改错All the tools are in the place.-高二英语
• She is honest and trustworthy. I think It's ______no business of hers. A．absolutelyB．possiblyC．
• —Going to work today, Brenda?—No. It’s my day ______ today.A．offB．inC．awayD．out-高三英语
• ______ speed and comfort, a bicycle can’t be compared with other means of transportation like car an
• I’m worn out,____,the bike doesn’t work well,___ I can’t go further.A．apart from; soB．except for; be
• Careful study shows that the best athletes win____,_____they think then can win.A．mostly, becauseB．a
• Maria _____ missed the first train so as to travel on the same one as John.A．deliberatelyB．intensive
• 当x=______时，2（x+1）-1与3（x-2）-1的值相等．-数学
• 计算：|-2|+（-12）-1sin45°+（2009)0．-数学
• When I saw mum nod _______ to me, I calmed down and went on with my acting.A．encouraginglyB．amazingl
• — The engineer was accused________being a spy and driven out of our country.— Really?I can't be
• ______, ______ many boys, Jack like playing football.A．In a fact; in common with B．In fact; as C．In
• High-speed trains which travel through my home town ______ up to 250 km per hour make it a small wor
• |3-2|+(15)0-2-1+2sin60°=______．-数学
• 21. Move a few steps, and the oil-paintings look better ______.A．in the distance B．at onceC．in the o
• Many people have found their reading skill_____ improved after some training.A．slighlyB．nearlyC．grea
• --___do you clean the reading room? ---Every two or three days.A．How longB．How farC．How soonD．How of
• The old man was tired and walk more slowly but he home_______.A．after allB．at allC．above allD．in all
• Tom, you’d better find money for the rent______, or I’ll sweep you out.A．somehowB．anyhowC．anywayD．so
• The meeting will begin in 10 minutes, ________we can sing a few songs A．thoughB．howeverC．meanwhileD．
• 计算：（1）(π-2009)0+12+|3-2|（2）(312-213+48)÷(23)-数学
• She told me she hadn’t enjoyed the film, but I decided to go and see it _____.[ ]A. after allB. in a
• 计算a﹣1·a﹣2÷a﹣3=（）．-七年级数学
• —Shirley, can I have a look at your photos?— .Here you are.A．By any meansB．By no meansC．By this mean
• He has been caught the rain and is wet the skin.A．by; toB．in; fromC．in; throughD．with; in-高二英语
• I’m very hungry and_____ starving.A．eventallyB．completelyC．absolutelyD．especially-英语
• I hate interruptions, _____when I ’m concentrating on my study.A．specificallyB．generallyC．speciallyD