化简=_________-九年级数学

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• – Tom, you left the lights in the classroom on.– Oh, sorry, I _________ to turn them off. Thanks for
• When I came into the teacher’s office, he ________ on the phone.A．was speaking B．spoke C．had been sp
• --- We want to sit at the table near the window. --- I am sorry, but it _______ already.A．took B．tak
• —Have you known Dr. Jackson for a long time?—Yes, since she _________ the Chinese Society.A．has joi
• Although medical science________ control over several dangerous diseases, what worries us is that so
• As soon as the children _____ themselves in their seats in the classroom, the bell rang.A．satB．settl
• What’s the time? My watch _______.A．is being repairedB．is to repairC．has been repairedD．has repaired
• My money ________.I must go to the bank to draw some of my savings out before I've none in hand
• 把的根号外的因式移入根号内得()A．B．C．D．-九年级数学
• 下列各式中，不是二次根式的是（）A．B．C．D．-九年级数学
• 计算：．-九年级数学
• （）A．3B．C．D．9-九年级数学
• The Dragon Boat Festival _____ the beginning of the hottest season of the year.A．fallsB．makesC．marks
• I _____ my son _____ a doctor, but he wasn’t good enough at science.A．hoped; becameB．hoped; could be
• 若有意义，则x的取值范围是。-九年级数学
• 下列二次根式中，最简二次根式是（）A．B．C．D．-九年级数学
• －Do you know our hometown at all?－No, this is the first time I _______ here.A．wasB．am comingC．cameD．
• Only those who have reached the agreed standard for their event will______ as competitors.A．have adm
• After he left college, he was employed in an international company and __________ there ever since.A
• ---I’m sure Andrew will win the first prize in the final. ---I think so. He _____ for it months.A．is
• —Look! Somebody ______the blackboard．—Well, it wasn't me．I didn't do it．A．is cleaningB．was
• 若，则．-八年级数学
• 小明的作业本上有以下四题：①＝4a2；②；③；④，做错的题有[]A.4个B.3个C.2个D.1个-八年级数学
• ---Are you two old acquaintances? ---Yes, we _____ in the same neighborhood for quite a long time, t
• —Hey! What's the rush?—The plane ________ at 4∶00 and I need to see my uncle off.A．takes offB．w
• 计算或化简：（每小题5分，共10分）（1）（2）-九年级数学
• –Smoking is bad for your health. --Yes, I know. But I can’t _____.A．give it inB．give it upC．give it
• The children are busy doing piles of homework, for they _______ their end-of-term exam soon.A．will b
• A new cinema _______ here. They hope to finish it next month.A．will be builtB．is builtC．has been bui
• ---I hear you ______ abroad. ---That’s right. We’re going to live in Spain．A．are movingB．have movedC
• —Do you know our town at all?—No, this is the first time I __________ here.A．wasB．have beenC．cameD．a
• When I called you this morning, nobody answered the phone,?A．where were youB．where did you goC．where
• —Jane, have you finished your paper?—No, I ________ my sister with her drawing all the morning.A．hel
• ---I’m going to Vietnam?---How long ___ you___ in Vietnam?A．are; stayedB．are; stayingC．have; stayedD
• 下列根式为最简二次根式的是（）A．B．C．D．-九年级数学
• 如图，数轴上点表示的数可能是（）．A．-B．C．-D．-八年级数学
• ---Alice, why aren’t you at work today?---I ________a day off.A．have givenB．had been given C．gaveD．w
• It is the third time that he ____ the first prize in the competition. A．winsB．wonC．has wonD．to win-高
• 若x+y=0，则下列各式不成立的是（）A．B．C．D．-九年级数学
• 若是二次根式，则a，b应满足的条件是（）A．a，b均为非负数B．a，b同号C．a≥0，b>0D．≥0-九年级数学
• The police recommended that the ________ in the accident ____________ to the hospital nearby at once
• “The moment ______ soon,” he thought to himself, waiting nervously.A．is comingB．was comingC．cameD．ha
• Our new English teacher, who is said to have moved back to China, ______ in America for almost ten y
• In order to keep the balance of ecosystem, every possible means _______to deal with the problems of
• 已知是整数，则n的最小整数值是________________-九年级数学
• -- I hear Jane has gone to the Holy Island for her holiday ? --- Oh, how nice ! Do you know when she
• Mary decided not to work on the program at home because she didn’t want her parents to know what she
• It is reported that many a new house ________ at present in the disaster.A．are being builtB．were be
• 化简的结果是（）A．B．C．D．-九年级数学
• 下列说法正确的是（）A．若，则a<0B．C．D．5的平方根是-九年级数学