（1）_________(答案保留3个有效数字）（2）化简：_________-九年级数学

更多内容推荐

• The first decade of the 21st century ______ breathtaking, non-stop development in China.A．witnessesB
• ---Bad luck! I ________ the sidewalk when an Audi cut in and knocked me down.---You can never be too
• ---What did you do last weekend, Jack? --- Well, I ____ to see a film, but in the end I stayed home
• 的平方根是（）A．±4B．4C．±2D．不存在-八年级数学
• Staying in hospital and taking special medicines ________ drug users an opportunity to stay away fro
• 要使有意义，则x取值范围是__________.-九年级数学
• 化简的结果是（）A．B．C．D．-九年级数学
• 计算小题1:小题2:-九年级数学
• I’m sorry, sir. Your recorder isn’t ready yet. It ______ in the factory.A．is being repaired B．is rep
• The box ______ a lot of coins, ______ an old Chinese one.A．is containing; includingB．contains; inclu
• Computersin offices and homes since 1970s．A．have been usedB．had been used C．was D．has been used-高一英语
• 化简：-九年级数学
• 函数的自变量x的函数是()A．x>－3B．C．x<3D．-九年级数学
• The machine _____ . It hasn’t worked for years and no one wants to repair it.A．didn’t workB．wasn’t w
• The room _______ very useful when we had visitors.A．was provedB．has been provedC．has provedD．proved
• 化简．（a＞0）-九年级数学
• 下列二次根式中，最简二次根式是（）ABCD-九年级数学
• 的同类二次根式是()ABCD-九年级数学
• 计算的结果是（）．A．9B．3C．－3D．±3-九年级数学
• 小题1:计算小题2:化简：-九年级数学
• We can’t _____to wait any longer or we’ll miss the plane.A．offerB．avoidC．affordD．spare-高三英语
• —Who do you guess I am?—Sorry, your name _____my mind.A．slippedB．has slippedC．was slippedD．slips-高三英
• 化简．-九年级数学
• The latest unemployment figures will _______ next weekA．declareB．be declaredC．be announcedD．broadcas
• Before taking the photo ,_______ the focus of the camera.A．adoptB．adjustC．adaptD．check-高二英语
• —Mr. Gorden asked me to remind you of the meeting this afternoon. don’t you forget it!—Ok, I ____.A．
• Mary speaks with a strong southern accent so that she is taking classes to herself of it.A．supportB．
• —It’s five years since I here.—Where do you work now?A．workB．workedC．has workedD． had worked-高一英语
• —Ann is in hospital. —Oh, really? Iknow. Igo and visit her.A．didn’t; am going to B．don’t; wouldC．don
• 化简的结果为（）A．B．C．D．-九年级数学
• Almost 100 computers ______to us by that key school since the end of last year.A．have givenB．had bee
• 式子成立的条件为-九年级数学
• 求下列各式的值：小题1:++小题2:-八年级数学
• 使代数式有意义的x的取值范围是。-九年级数学
• To be honest, I didn’t______ him at first sight. About an hour later, I remembered him.A．realizeB．un
• Mary, stop to have a rest. You _________ the flowers in your garden for nearly two hours.A．are water
• A series of stimulus policies and supportive measures taken by the government _____ to promote chang
• 化简：＝-九年级数学
• To our great disappointment, a lot of jobs ______ if the factory closes.A．will loseB．will be lostC．a
• 的平方根是．-九年级数学
• 当m＜0时，化简的结果是。-九年级数学
• With more than 200 million views worldwide．the latest video Gangnam Stylevery popular since it______
• Overuse of computers largelyto the failure of his eyesight，which is also a warning message for us al
• We missed the beginning of the football match. When we got to the stadium, the match ______.A．would
• 下列计算中，正确的是（）-九年级数学
• Hurry up. I_____ for Korea to visit my uncle; The plane_____ at 10:00.A．am leaving; will leaveB．lea
• --What are Mr and Mrs Black doing ?---They _____ tea in the garden.A．are drinkingB．drankC．have drunk
• —Did Alan enjoy seeing his old friends yesterday?—Yes, he did. He __________ his old friends for a
• —How long in America?—Two years. I came back last month.A．have you studiedB．do you studyC．would you
• .We won’t know how much food to buy until we decide how many people ________. A．were comingB．are com