A small car is big enough for a family of three ____ you need more space for baggage.A．onceB．because

更多内容推荐

• 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
• 如果a2+b2+2c2﹣2bc=0，则a+b的值为[]A．0B．1C．﹣1D．不能确定-七年级数学
• 分解因式﹣2a+a4的结果是[]A．﹣a（2﹣a3）B．2a（1﹣a）C．﹣2a（1﹣a）D．﹣2a（1+a）-七年级数学
• 因式分解：（1）3a2﹣27=()；（2）（x+2y﹣z）2﹣（x﹣2y+z）2=()；（3）﹣4a2x2+8ax﹣4=()。-七年级数学
• 分解因式：x2﹣3x+2=()-七年级数学
• 下列因式分解中正确的是[]A．a4﹣8a2+16=（a﹣4）2B．﹣a2+a﹣=﹣（2a﹣1）2C．x（a﹣b）﹣y（b﹣a）=（a﹣b）（x﹣y）D．a4﹣b4=（a2+b2）（a2﹣b2）-七年级
• 分解因式：4x2﹣8x+4=（）-九年级数学
• 因式分解：x2﹣6x+9=_________．-九年级数学
• 分解因式：（a-b）2-4（a-b）+4=（）。-八年级数学
• 下列各式能用完全平方公式进行分解因式的是[]A．x2+1B．x2+2x﹣1C．x2+x+1D．x2+4x+4-八年级数学
• 分解因式：x2﹣9=()-九年级数学
• 分解因式：mn2+6mn+9m=（）-九年级数学
• 若x2+mx-15=（x+3）（x+n），则m的值为[]A.-5B.5C.-2D.2-七年级数学
• 分解因式：（1）2x（a﹣b）﹣（b﹣a）=()；（2）（x2﹣2xy）2+2y2（x2﹣2xy）+y4=()-八年级数学
• 3ax2﹣12ay2=()-八年级数学
• 把下列各式分解因式：（1）3m2-27；（2）1-a4；（3）9-12x+4x2；（4）-x2+4x-4；（5）y3+4xy2+4x2y。-八年级数学
• 分解因式：a（x-y）-b（y-x）+c（x-y）=（）。-八年级数学
• 把多项式-4a3+4a2-16a分解因式[]A.-a（4a2-4a+16）B.a（-4a2+4a-16）C.-4（a3-a2+4a）D.-4a（a2-a+4）-七年级数学
• 分解因式：9x2-4y2=（）。-九年级数学
• 分解因式：4a3-4a2+a=（）。-九年级数学
• 分解因式：x3-25x=（）。-九年级数学
• 把45ab2-20a分解因式的结果是（）。-九年级数学