My friend Jack was the first person I knew ______an iPhone 5S.A．usingB．to useC．usedD．having used-高二英

更多内容推荐

• Mrs. White showed her students some old maps from the libraryA．to borrowB．borrowedC．to be borrowedD
• ____ twice, the postman refused to deliver our letters unless we changed our dog.A．Being bittenB．Bit
• We saw many students playing on the playground, most of them _____ girls.A．areB．beingC．wereD．have b
• Visitors to the hills are greeted by signs them to look out.A．warnB．to warnC．warningD．warned-高三英语
• 先化简，再求值：(1x-2+1x+2)÷x2x2-4，其中x=2．-数学
• 计算：（1）(-b3a)2•6ab3；（2）x2-9x2-6x+9•(1+1x+3)．-数学
• 观察以下式子：12→1+12+1=23＞12，54→5+24+2=76＜54，35→3+55+5=45＞35，72→7+32+3=2＜72．请你猜想，将一个正分数的分子分母同时加上一个正数，这个分数的
• A玉米试验田是边长为a米的正方形减去一个边长为1米的正方形蓄水池后余下部分，B玉米试验田是边长为（a-1）米的正方形，两块试验田的玉米都收获了500千克．（1）哪种玉米的单位面积-数学
• 化简：(a-1a2-4a+4-a+2a2-2a)÷(4a-1)=______．-数学
• 先化简：(1-1x+1)÷xx2-1，再请你选择一个合适的数作为x的值代入求值．-数学
• 计算：（1）x+1x•(2xx+1)2-(1x-1-1x+1)；（2）5x+3yx2-y2-2xx2-y2．-数学
• Great attention must be paid ____ welfare, especially in the poor area.A．developB．to developC．to dev
• 先化简，再求值：a2-b2a-b÷(2+a2+b2ab)，其中a=2，b=3．-数学
• The harder we study, the more questions we think of .A．askedB．askingC．to askD．ask-高三英语
• Standing on the bank, the children watched the ship ______ with all kinds of goods.A．loadingB．being
• Programmes, ______ to bring the old and the young together, are growing in popularity all over the w
• _______ the TV, Tom began to read newspaper.A． Turned offB．Turn offC． To turn offD． Having turned of
• -Why did Jack leave in a hurry just now? - his parents from his hometown at the stationA．MeetingB．To
• On 5 December 2013,China Central Bankprohibited financial institutions from handling Bitcoin transac
• 计算：（1）x(2-1x)+xx2-2x•(x2-4)；（2）11+x+2x1-x2．-数学
• 若m等于它的倒数，则分式m2+4m+4m2-4÷m2+2mm-2的值为______．-数学
• （1）异分母分式相加减，先______变为______分式，然后再加减．（2）分式2xy，3x+y，4x-y的最简公分母是______．（3）计算：1x2yz-2xy2z+3zyz2=______．（
• 化简：(2mm+3-mm-3)÷mm2-9-数学
• John, get up! I’m afraid you won’t have time to ______ before going out. A．get to changeB．get changi
• to sunlight for too much time will do harm to one’s skin.A．Being exposedB．ExposedC．Having exposedD．A
• The witnesses_________ by the police just now described the fight quite differently.A．questionedB．be
• 化简：（1）ba-ac（2）xx2-1-x2+xx（3）(-3ab)2-b23a2．-数学
• The foreign friends you referred to ______ looking forward to ______ around our school.A．are; being
• The driver wanted to park his car near the roadside, but was asked by the police _________.A．not to
• A case of suspected food poisoning in New York has led to 6 high school students to hospital.A．being
• 请你先化简：x3-x2x2-x-1-x2x+1，再选取一个使原式有意义，而你又喜爱的数代入求值．-数学
• 先化简，再求值：(x+2x2-2x-xx-2)÷x-1x，并选一个你喜欢的值带入求解．-数学
• There will be more than five proposals __________ at the meeting.A．having been discussedB．discussing
• World Wildlife Fund ______ very much the efforts that China has made to protect endangered species f
• A student at a Nevada middle school opened fire on campus, wounding two l2-year-old boys and________
• （1）计算：22-(3-1)0+(12)-1；（2）已知x=2007，y=2008，求x2+2xy+y25x2-4xy÷x+y5x-4y+x2-yx的值．-数学
• 先化简，再求值：(x-y+4xyx-y)•(x+y-4xyx+y)，其中x=32，y=-23．-数学
• –Did you get your pay?–Yes, I remember ______. But I forget the exact amount.A．payingB．to be paidC．
• 先化简，再求值：(a-b+4aba-b)(a+b-4aba+b)，其中a=52，b=-32．-数学
• --- Why do you look so upset? --- There are so many troublesome problems _________.A．remaining to s
• ________ with what he said, what he did was more valuable.A．ComparingB．CompareC．To compareD．Compared
• 先化简(xx-1-1x+1)÷1x2-1，再从-1、0、1三个数中，选择一个你认为合适的数作为x的值代入求值．-数学
• ________ an hour every day has made a considerable difference to my health.A．Having walkedB．WalkC．W
• （1）已知x=2，y=5．求代数式：1-x-yx-2y÷x2-y2x2-4xy+4y2的值．（2）化简求值：(x+2x-2+4x2-4x+4)÷xx-2，其中x=-12．-数学
• .Nancy isn’t here. It’s my fault, I forgot all about ______ her.A．to telephoneB．telephoningC．to tele
• ___ your English, you’d better practice every day.A．ImprovingB．ImproveC．To improveD．To be improved-英
• There are too many difficulties for us _______ . We really don’t know _______ to do.A．to deal with,
• During the examination we are required to stay in our seats, keep our eyes on our work, ____ to any
• Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for
• 当x=2005时，代数式x2-1x-1-1的值为______．-数学