____ the problem of method is solved, talking about the task is useless.A．UntilB．SinceC．AfterD．Unles

更多内容推荐

• 改错 下面短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。 增加：在缺词处加一个漏词符号（∧），并在此符号下面写出该加的词。 删除：把多余的词用-高三英语
• He will spend six hours at his desk _______ he finishes his composition.A．beforeB．untilC．afterD．whe
• ________ happens in the world makes us happy and sad too. A．ThatB．WhatC．WhichD．Whether-英语
• You’ll surly make progress _______ you work with a strong will.A．unlessB．untilC．as long asD．as well
• Tired _______ he was , he decided not to trouble her.A．asB．althoughC．unlessD．even if-英语
• He thought I was talking about his son, ____in fact I was talking about mine.A．whenB．whileC．howeverD
• 35. Clearly, in a system ______ every decision is made on the basis of tradition alone, it may be di
• People all over the country felt shocked _______ they heard of the news ______eight children were ki
• One feels it hard to fit in with a new culture _______ he has been accustomed to his won culture.A．t
• ____ you told me, I had heard nothing of what happened.A．TillB．Until C．AfterD．Since-英语
• He ran off____ I could stop him.A．beforeB．afterC．sinceD．when-英语
• She was looking for her bicycle key _______ she thought she might have put it.A．whereverB．wheneverC．
• As we have planned, we’ll go to Beijing to attend her sister's wedding party. We'll also v
• When the last prize had been awarded _________ everybody cleared off. A．andB．soC．orD．不 填-英语
• I really wonder__________ he has posted me many parcels___________ we didn’t work together.A．that;
• Hearing his words ,I couldn’t decide _____or remain .A．whether to go abroad B．if I go abroad C．if to
• —What should we pay more attention to if we go north in winter, Mum?—Nothing much. Take warm clothe
• It looks ____ it's going tosnow.A．thatB．asC．as ifD．like that-英语
• everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as
• A small car is big enough for a family of three ____ you need more space for baggage.A．onceB．because
• I’d like to study law at university___my cousin prefers geography.A．thoughB．asC．whileD．for-高三英语
• He was told that it would be at least three more months______he could recover and return to work.A．w
• ____ we can’t remove our troubles in life for ever,we can leave them behind when we are on vacation.
• The job is open to all,their previous experience.A．apart fromB．as a consequence ofC．regardless ofD．i
• John did the task____ his sister.A．as good asB．as better asC．as well asD．as best as-英语
• _____ he had not been ill , Tom would have won the race.A．UnlessB．AsC．IfD．Until-英语
• Questions and exercises are given by the computer, which decides ______ to move the students ahead,
• Never let your mind wander when driving, ______ a car crash is probable.A．butB．soC．becauseD．or-英语
• —Have you seen Rose recently? — No．It’s five years _____ I met her．A．sinceB．afterC．whenD．before-高三英语
• Countless people in developing countries no longer suffer malnutrition.______，poverty remains a prob
• A model or an experiment in a science class can help students see things which would ______ remain h
• The doctor would allow him to go home _____ he remained in bed.A．as thoughB．for fear thatC．on condit
• They kept trying _________ they must have known it was hopeless.A．ifB．becauseC．whenD．where-英语
• Reality is not the way you wish things to be,nor the way they appear to be,_______the way they actua
• With the development of science,a computer is to a manager_______a gun is to a soldier.A．asB．whatC．t
• A mysterious illness, referred to as “ a typical phenomena”, has been brought under control, the go
• ____ you may be right , I can’t agree completely.A．WhileB．AsC．IfD．Since-英语
• __________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place. A．
• _______ I admit that there are still some problems about the traffic in this area, I don't mean
• Stand closer______ you'll be able to see it better.A．orB．whileC．butD．and-英语
• Up to Tuesday's attack, the worst school shooting in the U. S. was in March 1998 in Jonesboro,_
• __________ you understand the rule, you will have no further difficulty.A．WhileB．OnceC．ThoughD．Unle
• Children’s brains can’t develop properly_______ they lack proteinA．whenB．sinceC．becauseD．unless-英语
• 分解因式：2a3b﹣4a2b2+2ab3=（）．-八年级数学
• 分解因式：（1）a2﹣25b2（2）ab2﹣4ab+4a-七年级数学
• （1）因式分解：16a4﹣8a2+1；（2）计算：9999×10001．-七年级数学
• 因式分解：（1）x2+5x+6；（2）ac﹣bc+3a﹣3b．-七年级数学
• 下列多项式中，能够因式分解的是A．a2+b2B．x2﹣xy+y2C．p2﹣6p+9D．﹣m2﹣n2-七年级数学
• 分解因式3x3﹣12x2y+12xy2=﹙﹚．-七年级数学
• 下列多项式中，不能进行因式分解的是[]A．-a2+b2B．-a2-b2C．a3-3a2+2aD．a2-2ab+b2-1-八年级数学