I am sorry I didn’t hear you clearly. _____you repeat it please?A．CouldB．MustC．MayD．Need-高一英语

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• — If you listen to me, you ______ take a good rest at once.— OK, I ______ do so.A．should; mustB．shal
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• — Where is my dictionary?— You ______ it in the wrong place.A．mustB．should have putC．might putD．migh
• 下列各式从左到右的变形正确的是（）A．xy=x•cy•cB．xy=x÷cy÷cC．b2a=b+12a+1D．1x+2=33x+6-数学
• Thank you for all your hard work last week. I don't think we ______ it without you.[ ]A. can ma
• 如果把分式aa+b中的a、b都扩大2倍，那么分式的值（）A．是原来的2倍B．是原来的12C．不变D．是原来的14-数学
• No one ______ be more generous; he has a heart of gold.A．mustB．dareC．needD．could-高三英语
• There was a lot of fun at the party. You ________, but why didn't you?[ ]A. should comeB. ought
• 若m=n-1n+1，那么n等于（）A．m-1m+1B．m+1m-1C．-1D．-m+1m-1-数学
• —I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure，but he________in
• --- Tom , why didn’t you answer my call yesterday afternoon?--- Sorry , I didn't hear the phone
• xx2-xy=1()=()2(y-x)，括号内应依次填入______、______．-数学
• 在下列给小题的括号里填上适当的代数式，使等式成立．（1）3xx+y=()5(x+y)；（2）()ab=a2+aba2b；（3）x2-9y2x2-3xy=x+3y()．-数学
• 不改变分式的值，把分式0.2x+0.5y0.3x-2y的分子、分母各系数化为整数，则为______．-数学
• 11+a-1a-1+2-1-a2+-4a2a4+1=______．-数学
• – How’s your new class teacher?– We ______ ask for a better one. All my classmates love him so much
• —Why did you leave without a word of warning to John?—But what _____ otherwise? He never listens to
• —The traffic is heavy now, so Mikecome late.—Let’s wait ten more minutes.A．canB．needC．mayD．shall-高三英
• 计算或化简：xx-y-yx-y=______；a2-2a2-a=______．-数学
• 若ab=cd=ef=34，则a+c+eb+d+f=______；若x-2yy=23，则xy=______．-数学
• ---______ he have been chosen as captain of our school football team? ---Yes, he______. Can’t you se
• — Is it good to look up every new word when I come across it in reading?—No，you _____，because you ar
• 填空：a+bab=()a2b______；xx(x-1)=1()______．-数学
• 根据分式的基本性质，分式-xx-y可变形为（）A．x-x-yB．xx+yC．-xx-yD．-x-x+y-数学
• 将分式xyx-y(x≠0，y≠0)中的x、y扩大为原来的3倍，则分式的值为（）A．不变B．扩大为原来的3倍C．扩大为原来的9倍D．减小为原来的13-数学
• Most of the big hotels in Shanghai were full last week, but finally we _____ find a room in a small
• If you ___ stick to the unrealistic approach, the worse result will be waiting for you not far ahead
• Tom likes driving and he ______drive his car to the party, but I’m not quite sure about it yet.A．can
• 化简：(a-b)(b-c)(c-a)(b-a)(a-c)2(c-b)3．-数学
• 如果把分式a+2ba-2b中的a、b都扩大3倍，那么分式的值一定（）A．是原来的3倍B．是原来的5倍C．是原来的13D．不变-数学
• Nowadays, a graduate with a master’s degree_____ fail to find a high--paid job , which discourages a
• 若4x-3y=0，则x+yy=______．-数学
• 根据分式的基本性质填空：a+2a2-4=1()．______．-数学
• 分式3x-2y5xy中的字母x，y都扩大为原来的4倍，则分式的值（）A．不变B．扩大为原来的4倍C．扩大为原来的8倍D．缩小为原来的14-数学
• Mr. Baker, a number of students want to see you. _______ they wait here or outside?A．ShouldB．WillC．C
• 把分式0.1x-0.5yx+1.5y的分子和分母中各项系数都化为整数为______．-数学
• -I didn't go to the art show, because I lost my ticket．-You______have borrowed mine I didn'
• 把分式x-yx2+y2中的x、y都扩大3倍，那么分式的值（）A．扩大3倍B．缩小3倍C．不变D．缩小9倍-数学
• 化简：a2-4a2+4a+4=______．-数学
• 下列计算(-ab)2ab2的结果中，其中正确的是（）A．1B．-1C．-aD．a-数学
• He ___________ unwisely, but he was at least trying to do something helpful.A．may have acted B．must
• ----I passed the college entrance examination.----Congratulations! You________.A．could have studied
• 直接写出化简结果：（1）4xy16x2y=______；（2）a(a+b)b(a+b)=______；（3）x-y(y-x)2=______（4）ax+ayx2-y2=______；（5）x2-16x
• 下列式子变形后正确的个数有（）（1）-x-y=xy（2）-a-ba+b=1（3）a2-b2a-b=a+b（4）m2-2m+1m2-1=m-1m+1．A．1个B．2个C．3个D．4个-数学
• 下列各式从左边到右边的变形正确的是（）A．a+ba-b=-ba+bB．0.2a+ba+0.2b=2a+ba+2bC．-x+1x-y=x-1x-yD．x-12y12x+y=2x-yx+2y-数学
• 若分式3yx-y的值为5，则x、y扩大2倍后，这个分式的值为（）A．52B．5C．10D．25-数学
• The bus ____ at six, but it arrived an hour later.A．should arriveB．had arrivedC．should have arrivedD
• You ______ be hungry already--- you had lunch only two hours ago!A．mustn’tB．wouldn’tC．can’tD．needn’t
• She __________ have left school, for her bike is still here.A．can’tB．wouldn’tC．shouldn’t D．needn’t-高
• I have lost one of my gloves. I __________it somewhere.A．must drop B．must have droppedC．must be drop