计算：12-43sin60°-tan30°．-数学

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• The teachers insisted that the student ______wrong and that he _______A．was; punishedB．was; be punis
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• 8+50-318．-数学
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• 计算：18-8-2=______．-数学
• 计算：8+12-412-32+6-24．-数学
• 8-2的结果是（）A．6B．22C．2D．2-数学
• Whenever you have questions in class, first you should _____ your hand , then _____and ask with the
• ---Kate returned home last night. ---Really? Where_________?A．had she goneB．has she beenC．has she go
• 计算：(1432-312)-（148-323)．-数学
• 计算：8-212=______．-数学
• High up in the mountains _____ a quiet small village, with only 20 households.A．surroundsB．locatesC．
• ---Alice’s second-hand computer ____ wrong although she used it only once.---You’d better go to chec
• 一Did he notice you enter the classroom?、一I don’t think so．He _______ to the radio with his eyes shut
• — I'm leaving tomorrow.— Oh, what a pity! I won't be able to see you off. I __ a tele-conf
• You can’t be careful enough with the dry wood ．It ___easily．A．is lightedB．is lightingC．will be light
• Tihe young man insisted he ____nothing wrong and that the police___him．A．did: releasedB．had done; re
• 若48-4x=23，则x的值为（）A．3B．32C．34D．38-数学
• 计算：（1）27-212+45（2）5242-323-数学
• A Sichuan government official expressed their thanks through CCTV for the aid they ______ in the la
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• Jack as well as the other students who ______ sent abroad by the government ______ brought up in a
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• 计算：（1）32+52（2）|2-2|+22．-数学
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• 化简：（1）（23-2）2；（2）（3+2）（3-2）；（3）27-123；（4）8+32-2+12．-数学
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• Now that she is out of a job, Lucy ______ going back to school, but she hasn’t decided yet.A．had con
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• —That must have been a long trip．—Yeah, it us a whole week to get there．A．takesB．has takenC．tookD．wa
• 下列各式计算中，正确的是（）A．56-36=2B．7x+2x=92xC．xa+ya=x+yaD．123x-133x=163x-数学
• The story ______, and everybody knows about it. A．has been got roundB．got roundC．was got roundD．has
• I want to buy that kind of cloth because I ______ the cloth ______ well．A．have told; washesB．was tol
• According to a report, cigarette smoking____ in all indoor public places in China already.A．will ban
• 计算：4x-x=______．-数学
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• We were listening closely to the lecture yesterday evening when suddenly the light _______.A．had bee
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• 计算8-2的结果是（）A．6B．6C．2D．2-数学
• 计算：128-0.5-412+250-数学
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• --- Hi, Torry, can I use your computer for a while this afternoon? --- Sorry, _____________. A．it is