In order to jump, your body changes the chemical energy ________ in the food you have eaten into me

更多内容推荐

• 先化简，后求值：x+1x+2÷x2-1x-1，其中x=3-2．-数学
• 化简后求值：已知a=2-2，b=2+2，求a3b+a2b2a2+2ab+b2÷a2-aba2-b2的值．-数学
• ________to get a seat for the concert，he didn’t mind standing in a queue all night.A．DetermineB．To b
• 武汉市某校组织甲、乙两班学生参加“美化校园”的义务劳动，若甲班做2小时，乙班做3小时则恰好完成全部工作的一半；若甲班先做2小时后另有任务，剩下工作由乙班单独完成，则乙-八年级数学
• This project requires close teamwork. _______Will be achieved unless we work well together.A．Nothing
• 若4x-3y=0（y≠0），则（x+y）：y=______．-数学
• Unless ________ to answer questions, the pupils won't talk in Mrs Smith's class.A．askingB
• ________ from the bright smile on his face, he ________ in passing the job interview.A．Judging; mus
• 先化简，再求值：x2-4x2+4x+4÷(x-2-2x-4x+2)，其中x=3．-数学
• 1m+1n=1m+n，则nm+mn的值为多少？-数学
• Either you or one of your students ________ to attend the meeting ________ tomorrow.A．are; to be hel
• With all the books he was interested in ________， he left the library and went back to his dorm.A．b
• . — Why was Professor Johnson unhappy those days? — The only reason was ________the theory he stick
• With the couple________in a nearby town，the house seems pretty empty most of the time.A．workB．to wor
• 小明家准备装修一套新住房，若甲、乙两个装饰公司，合做需6周完成，需工钱5.2万元；若甲公司单独做4周后，剩下的由乙公司来做，还需9周才能完成，需工钱4.8万元，若只选一-八年级数学
• 先将x2+3xx-1-(1x-1)化简，然后请自选你喜欢的一个适合的x值代入，再求原式的值．-数学
• As a considerate secretary, she never fails to know what ________ in her daily routine.A．to expect
• ________ the earth to be flat, many feared that Columbus would fall off the edge of the earth.A．Hav
• 计算：(a+b-b2b-a)÷(a-a2a-b)．-数学
• 已知x-3y=0，求(2x+y)(x-y)x2-2xy+y2的值．-数学
• 已知a+b=3，ab=1，则ab+ba的值等于______．-数学
• 下列运算正确的是（）A．ca-c+1a=-1a\；B．12a+12b=12(a+b)C．ba+bc=2ba+cD．x2+y2z÷zx2+y2=x2+y2z2-数学
• ______more effectively with foreign firms, many Chinese firms have turned to new technology．A．Being
• I stopped the car________a short break as I was feeling tired. (2013·山东，29)A．takeB．takingC．to take D
• They suggested that the professor ________ just now ________ chairman of the meeting.A．referring to
• The old man sat in front of the radio every evening, ______ his favorite program.A．dying to hearB．wa
• 某校初三（2）班的师生到距离10千米的山区植树，出发1个半小时后，张锦同学骑自行车从学校按原路追赶队伍，结果他们同时到达植树地点，如果张锦同学骑车的速度比队伍步行的速度-八年级数学
• 若x2+2x-2=0，求代数式(x2x-1-2x1-x)÷2x-1-2的值．-数学
• —Can you introduce me a high quality machine?—My pleasure. ________ well even on wet roads, this kin
• No matter how frequently ________， the works of Beethoven still attract people all over the world.A
• 先化简，再求值：a2-b2a2-ab÷(a+2ab+b2a)，其中a=2，b=-3．-数学
• 化简：x2-xy+x-yxy•y1+x，并求x=3，y=-7时代数式的值．-数学
• Notwhen and where we should meet, I telephoned our monitor for detailed information.A．knowB．knewC．kn
• (2013·安徽合肥市二模)________ with conducting an interview by QQ online, a face­to­face interview i
• ________ how others react to the book you have just read creates an added pleasure.(2013·浙江，7)A．Hear
• 计算下列各题．（1）3x-61-x-x+5x2-x（2）(x2-1)(1x-1-1x+1-1)（3）1x+1-x-3x2-1-x2-2x+1(x-1)(x-3)（4）3-x2x-4÷(x+2-5x-2
• _________of danger in the street at night,she had to go home with a friend __________ her.A warned;f
• The April Fools' tradition is said ________ in the sixteenth century.A．to startB．to be startin
• 先化简再求值：(2-a-5a-1a-1)÷a+1a-1，其中a=3-1．-数学
• ________ away from school for two weeks, I have quite a few lessons to catch up with.A．Having beenB
• It is said that sixty percent of all energy ________ in the world today is being lost as wasted hea
• 计算（xx-2-xx+2）÷4xx-2．-数学
• 我市某县要在2006年通过自治区“两基”达标验收，县内一初级中学有360套旧课桌椅需要修理，现有甲、乙两个木工小组都想承接这项修理业务。经商谈知：甲小组单独修理这批桌椅比乙-八年级数学
• 某商场销售某种商品，第一个月将此商品的进价提高百分之25作为销售价，共获利6000元，第二个月商场搞促销活动，将商品的进价提高百分之10作为销售价，第二个月比第一个月增加-八年级数学
• ________at the cafeteria before，Tina didn’t want to eat there again. (2013·山东，33)A．Having eatenB．To
• 计算：a2a+b-a-b=______，(1x2-1a2)÷(1x+1a)=______．-数学
• The landslide occurred at midnight, killing five people and ________ seven others ________.A．leavin
• 当x=3时，代数式(1+1x-2)÷x2-12x-4=______．-数学
• Under the environment of fierce competition, the only way John could imagine ________ stress was to
• ________ with conducting an interview by QQ online, a face­to­face interview in person can