"You have to trust in god, _____ friends and bank on education," the teacher said in an ho

更多内容推荐

• I thought you _____ be employed by that company because you had _____ knowledge of French. [ ]A. wil
• My mother was in hospital for six months. She felt as if she was _____ from the outside world. [ ]A.
• They _____ on the little professor, but it led to his fierce criticism on us. [ ]A. played a joke B.
• — How do you find Xiamen, Cathy? — It's beautiful coastal city. I have ____ it for my next holi
• The sports meeting, originally due to be held last Friday, finally _____ because of the terrible wea
• Humorous and friendly, our English teacher always makes his lessons lovely, so all the students ____
• Do you know what use people _____money collected for the disaster-stricken areas? [ ]A. make ofB. ma
• Playing with a cell phone, he suddenly _____ the teacher staring at him. [ ]A. knew ofB. became awar
• You have to be accurate in this job, because a small mistake can make a big _____.[ ]A. difference B
• When I said that some people are stupid I was not _____you. [ ]A. talking toB. referring toC. turnin
• — How are you getting on with Mary, your girl friend? — _____. [ ]A. Break up B. Broken upC. Break d
• The visitors said that they had never dreamed _____ such a beautiful scenery. [ ]A. there to be B. o
• —Why don't you like your job?— It's always being ___by my director. [ ]A. watched at B. wa
• ______reasonable, the idea he ______to create a friendly environment attracted much public attention
• Many kinds of animals and plants die ____ every year. [ ]A. down B. away C. out D. from -高一英语
• He used to _____ computer games, but now he is used to_____ a walk after supper. [ ]A. play; take B.
• Several months later, he found his deskmate very difficult _____. [ ]A. to get along with B. getting
• 化简计算：（1）1-a-1a÷a2-1a2+2a（2）x-2x2÷(1-2x)．-数学
• 已知实数a满足a2+2a-10=0，求1a+1-a+3a2-1÷a2+4a+3a2-2a+1的值．-数学
• 先化简，再求值：(1-1a-1)+a2-4a+4a2-a，其中a=2tan45°+2sin45°．-数学
• 先化简，再求值：x(x-2)x2-4•x2+4x+4x+2-2(x-1)，其中x=2-2．-数学
• 化简：a2+3aa2+3a+2÷a+3a+1+2a+2．-数学
• 先化简，再求值：（xx-1-xx2-1）÷x2-xx2-2x+1，其中x是满足不等式组3x-2(x-2)＞57-2x2≥1的整数解．-数学
• 计算：2c+a(a-b)(b-c)(c-a)+b+c(a-b)(c-b)(c-a)-b-a-c(b-a)(c-b)(a-c)．-数学
• 先化简，再求值：x+2x+1-x2-2x+1x2-1，其中x=2．-数学
• 先化简，再求值：(2a+1-a-2a2-1)-a-1a，其中a=tan30°-2cos60°．-数学
• 已知：3a-1+2=0（a≠0），把1a-2-1a÷a-22化简后求值．-数学
• 被称为“天路”的青藏铁路全线贯通了，随着客运列车的开通，进出西藏、青海的游客越来越多．北京一大型超市进货员在拉萨发现一种青藏特有的手工饰品，预计能畅销市场，就用8000-数学
• （a+2-42-a）÷aa-2，其中a=7．-数学
• 分式(1x-y+1x+y)÷x2yx2-y2，其中x=3+1，y=3-1的值是______．-数学
• 计算：（1）(-1x)÷1x2+x（2）aa-1÷a2-aa2-1-1a-1．-数学
• （1）解方程：10x+2=30x+7；（2）先化简，再求值：x2-2xx+1•(1+1x)，其中x=-2．-数学
• （1）12m2-9-2m-3；（2）（-2m2n-2）2•（3m-1n3）-3．（结果用正整数表示）-数学
• 先化简，再求值：mm2-1÷(1+1m-1)，其中m=-2．-数学
• 化简：（2x23y）2•3y4x+x22y2÷3xy-数学
• 计算：（1）19x2+56x-34x2；(2)a+2-42-a；（3）x2-4y2x2+2xy+y2÷x+2yx2+xy；(4)1-a-ba+2b÷a2-b2a2+4ab+4b2．-数学
• 已知a+x2=2000，b+x2=2001，c+x2=2002，且abc=24，求abc+cab+bac-1a-1b-1c的值．-数学
• 化简求值．先化简a2-4a2+4a+4-aa+2，再求a=-32时原式的值．-数学
• 先化简，再求值：(1-1a+1)÷a2-aa+1，其中a=12．-数学
• 化简求值：[4aba-b+(ab-ba)÷(1a+1b)]÷（a2+2ab+b2），其中a=3+1，b=3-1．-数学
• (3xx-2-xx+2)÷xx2-4，请你选一个你喜欢的x值代入计算．-数学
• 已知1a-1b=1a+b，则ba-ab的值为（）A．-1B．0C．12D．1-数学
• 有这样的一道题：“先化简，再求值(x-2x+2+4xx2-4)÷1x2-4，其中x=3．”可小马虎把“x=3”错抄成“x=-3”，但他的计算结果也是正确的．请你解释这是怎么回事？-数学
• 计算．（1）a2a-1-a-1（2）xx-1-x+3x2-1•x2+2y+1x+3．-数学
• 当x=2003，y=2004时，代数式x4-y4x2-2xy+y2÷x2+y2y-x的值为______．-数学
• 先化简，再求值：(xx+y+2yx+y)•xyx+2y÷(1x+1y)，其中x=-2，y=3．-数学
• 化简：(1+1x)÷x2-1x-数学
• 先化简，再求值：（x-1-8x+1）÷x+3x+1，其中x=3-2．-数学
• 先化简：（a2a+1-a+1）÷aa2-1，再从1，-1和2中选一个你认为合适的数作为a的值代入求值．-数学
• 先化简，再求值：(aa-b-a2a2-2ab+b2)÷(aa+b-a2a2-b2)+1，其中a=3，b=-1．-数学