计算：20-|1-2|+2sin45°．-数学

更多内容推荐

• 计算（-cos30°）-2-(-2)0+(-3)3+3tan60°．-数学
• （1）计算：(-12)0+(13)-1×23-|tan45°-3|；（2）化简：xx-1-3(x-1)(x+2)-1，并指出x的取值范围．-数学
• 若（x-3）0-2（3x-6）-2有意义，则x的取值范围是（）A．x≠3B．x≠2C．x≠2或x≠3D．x≠2且x≠3-数学
• 下列计算中，正确的是（）A．a0=1B．3-2=-9C．5.6×10-2=560D．(15)-2=25-数学
• You can’t go out since you haven’t finished your homework；，it is a stormy night．A．anyhowB．meanwhileC
• Today the Red Cross provides a number of services for the public, such as helping people________, te
• As deputy mayor of Shenzhen from 2002 to early 2009, Liang Daoxing took bribes_____ favors.A．in retu
• We can get a lot of useful information on the Internet; ______, the Internet also provides us with a
• We can relax ourselves by taking part in school activities after long hours’ study; _______, wecan l
• I went there yesterday_________ to see my uncle.[ ]A. specialB. especially C. speciallyD. especial-高
• 计算：（1）|-2|+(13)-1×(π-2)0-9+(-1)2（2）x2-2xx2-4÷2xx+2+(x+2)．-数学
• （1）计算12-2tan30o+(π-2009)o（2）解方程x-3x-2+12-x=2-数学
• Plans have been proposed ___ the largest dam in the world to be built along the Congo river．A．ofB．wi
• Itwasrude_____youtostareattheforeignerwhenhepassedbyjustnow.A．ofB．forC．withD．to-高一英语
• Apart from being good at teamwork, he is tall, strong and athletic.______， he is the best choice for
• （1）(-1)2012-|-7|+9×(3-π)0+cos60°；（2）先化简分式，再求值：x+1x÷(x-1+x22x)，其中x=3．-数学
• Miss Yang will teach us Chinese today Mr. Zhang.A．insteadB．instead ofC．toD．of-高一英语
• 已知整数a满足(18)-a=80×4-3×23，试求a的值．-数学
• I came hereto see you.A．speciallyB．especialtyC．particularlyD．special-高一英语
• Some of the members demanded to know why they had been keptthe true facts until they reached the pre
• （1）计算：(2-3)0+|-3|-2-1-2sin30°（2）解方程：xx-2-1=1x2-4．-数学
• 计算：(12)-3+|3-π|+（cos60°+1）0．-数学
• This year our country will aim to make greater progress in improving people’s living conditions thos
• He has his faults, but _________he is a good student.A．in allB．after allC．all in allD．above all-高二英语
• _________ two exams to worry about, I have to work really hard this weekend.[ ]A. Besides B. WithC.
• . — Are you sure the 2010 Shanghai World Expo will be a great success?— Yes, __________! It’ll be wo
• 计算：(12)-1+(3.14-π)0+16-|-2|-数学
• --- Would you like to join us?--- Sorry, I’m not _______as any of you.A．so good a playerB．a player s
• His music is popular today as it ever was.A．veryB．asC．suchD．so-高二英语
• _____the cause of the oil leaks, the specialists can not draw a conclusion before completing a thoro
• Itthat Jane and Mary will be late.Theyto miss the party.A．is like;likelyB．is like;are likeC．is likel
• 计算：(13)-2-2sin45°+(π-3.14)0+128．-数学
• 先化简，再求值：xx2-1÷(1+1x-1)，其中x=2cos30°-（3）0．-数学
• 短文改错。 下面短文中有10处错误，每句最多2处错误,请在有错误的地方增加、删除或修改某个单词。增加：在缺词处加一个漏字符号(∧)，并在其下面加上该加的词。删除：把多余的词-高三英语
• I think it was a bit boring to work here because there wasn’t always much to do.A．suchB．thatC．moreD
• I’m ______ a diet, since I put ______ weight easily.A．in; onB．on; inC．in; inD．on; on-高一英语
• Is this the girl _____ whom I can turn for help? Is she good at this subject? [ ]A. to B. with C. in
• --- Not everything that is best for nature is good for people.--- Yes, would anyone say that economi
• 79. I wrote to Mr. Green, _______ him _______ the lost case.A．inform…ofB．informing…ofC．informed…abou
• They were____awarethe company was losing money.[ ]A．very; thatB．o; whichC．fully; whichD．well; that-高
• —Are you worried about his safety?—Only .A．faithfully.B．broadlyC．slightlyD．extremely-高一英语
• He was looking for his gloves all morning , which turned up_________ under the sofa.A．slightlyB．imme
• Christmas is ________ becoming a traditional British holiday rather than a Christian one．A．gradually
• Robots will be very popular. ________, human beings will free themselves from the physical work.[ ]A
• 用下列单词的适当形式填空。be accustomed to, lay off, suspect sb.of doing,set about, as a whole,spit at, to start
• –Where is the factory in which you work? -It’s about 10 kilometres _______ the city. A. in north of
• — Were you disappointed when you received the book bought through the Internet?— Well, yes, _____. T
• They are discussing the problem right now. It will ______ have been solved by the end of next week.[
• From this day, I will be more careful when crossing the street.A．onwardsB．backwardsC．afterwardsD．for
• His wife is two years junior ____________ him.A to B with C than D by-高二英语