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若方程有负数根,则k的取值范围是()。-七年级数学
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As a student, you should try to ______ being late for your class.[ ]A. avoid B. refuseC. preventD. p
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解方程:。-八年级数学
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Though she has been in England for half a year, she is still unable to _____ in simple English.[ ]A.
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“Boys and girls, I’m very glad to_____ you some difference between American English and British Engl
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--- Do you want anything else for your birthday?--- Nothing else. I’m very ______ with what you’ve b
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He _____ his work with animals.A.is famous asB.is famous forC.is well known asD.is well known to-高一英
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分式方程的解为()。-九年级数学
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The band ________ in about 1970, but happily they reunited in the mid-1980s.A.broke upB.broke inC.br
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解方程:(1);(2);(3)。-七年级数学
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若方程有增根x=5,则m=()。-八年级数学
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解方程或解不等式组:(1);(2)。-九年级数学
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The group of students went to the suburb, did some research work, and ________ the water in the rive
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用换元法解分式方程,若设,则原方程可化为关于y的整式方程是[]A.y2-3y-2=0B.3y2-2y-1=0C.3y2-y+2=0D.y2-2y-3=0-九年级数学
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— When shall we go to visit her? — Take your time. I'll ____ you at your office then. [ ]A. cal
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Would you please drive more quickly? My plane will_____in twenty minutes.I want to but safety comes
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要使与的值相等,则x=()。-八年级数学
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满足方程的x值是[]A.1B.2C.0D.没有-七年级数学
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He _______to get some cards for his birthday,butnone arrived.[ ]A. promised B. expectedC. thought D.
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若,则()。-八年级数学
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In a typhoon ,winds __ a speed greater than 120 kilo-meters per hour. [ ]A. assumeB. accomplish C. a
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The continuous rain was_______for the exceptionalpoor harvest. [ ]A. blamedB. condemned C. accused D
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Although the manager did not mention any names at meeting, everyone knew who he was _____.A.leading
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The president spoke at the business meeting for nearly an hour without _____ his notes.A.looking do
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- The enemy didn’t stop, instead they ________ towards the village at a faster speed.- So the villag
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He had a good disguise, but as soon as he spoke he _____himself. [ ]A. missed B. lost C. betrayed D.
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— How about the book you are reading?— Good indeed. It _______many problems we havecome across in ou
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Jack came home so thin and weak that his children hardly ___ him.[ ]A. knewB. receivedC. admittedD.
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I support your decision, but I should also make itclear that I am not going to be __ to do it. [ ]A.
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已知关于x的方程的解为,则m=()。-八年级数学
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(1)计算;(2)解方程+=2。-八年级数学
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As we joined the big crowd I got_____from my friends.[ ]A. separatedB. sparedC. lostD. missed-高二英语
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- How much did the salesmen ________ for this machine?- Almost four hundred dollars. [ ]A. paidB. ch
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In the supermarket foreign names of the products got_______, and I was confused about what to buy.A.
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Cold tea __________ an excellent drink when it is very hot in summer.A.makesB.producesC.servesD.turn
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He said, “Don’t do that again.” He _____ me _______ that again.A.said to me; not to doB.said to me;
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已知用x的代数式表示y为()。-八年级数学
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Hurricane Sandy hit America violently.__________, about 140 deaths were caused by it.A.As a ruleB.As
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解分式方程:。-九年级数学
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I remember her face but I cannot_________where Imet her.[ ]A. recallB. remindC. retellD. remark-高二英语
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Fully_________in looking after three children athome ,she no longer has time to enjoy the various ac
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解方程:。-九年级数学
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I am afraid we cannot include the item you suggest, as it does not __________ the rest of the progra
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The teacher asked us to ______ all the words on the blackboard.A.set offB.get onC.set downD.get alo
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用换元法解分式方程,若设2x2-x=y,则原方程可化为关于y的整式方程是()。-九年级数学
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Dust and dirt soon______if a house is not cleaned regularly. [ ]A. accumulateB. accurate C. accelera
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Our English teacher is ill, and we are all ______ her health.A.concerned aboutB.careful ofC.grateful
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解下列方程:(1);(2)。-八年级数学
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Considering his health, I advise him to _____an hour or two each day to work out.A.set asideB.set of
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— What did the doctor say?— He _______ Jim to _________in bed for 2 days. [ ]A. said; lieB. advised
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解方程:。-八年级数学
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