课时作业新版

课时作业新版Tag内容描述：<p>1、第四组(B)1.Would you like to go to the concert with me?Id love to, Im afraid I have no time.A.soB.butC.orD.and(D)2.He the poor a great help after the earthquake.A.providedB.supportedC.advisedD.offered(B)3.A ten-month-old baby in India fell off his mums arms and got killed.I justbelieve that.Oh,no.Howhis parents be so careless?A.cant;mayB.cant;couldC.mustnt;couldD.mustnt;may(A)4.Mr Robinson,how long have you been in。</p><p>2、第三组(D)1.Im going to take a Physics exam this afternoon.A.Im not sure.B.Thats wonderful!C.All right.D.Good luck!(B)2.A bus suddenly caught fire and more than fortylost their lives.A.musiciansB.passengersC.pioneersD.guests(C)3.Its reported that nearlyof the working mothers in Nanjing dont want to have a second child.A.three fiveB.third fifthsC.three fifthsD.third five(A)4.everyone can do something for the environment,we will h。</p><p>3、第二组(A)1.Im sorry.I broke your favourite glass.I have another one at home.A.It doesnt matterB.Youd better notC.My pleasureD.Its too bad(D)2.You shouldnt ride with friends in the street.Its dangerous.A.hand in handB.heart to heartC.one by oneD.side by side(C)3.You should be stricter with yourself,you will fall behind instead of taking the lead.A.andB.butC.orD.so(D)4. David is a sports reporter.He asks for an with the sports。</p><p>4、Unit 1 Asia单元语法专练代词it的用法1.it 作人称代词的用法。(1)指事物。it可指代除人以外的一切事物或动物。例如:Where is the cat?猫在哪?Its in the bedroom.它在卧室里。(2)指人。it可用于指代性别不明的婴儿或用于确认某人的身份。例如:Is it a boy or a girl?是男孩还是女孩?There is a knock on the door.It must be the postman.有人在敲门。一定是邮递员。(3)代替某些代词。it还可用于代替指示代词this,that以及复合不定代词something,anything,nothing等。例如:Whats this?这是什么?Its a present for you.这是给你的礼物。2.i。</p><p>5、Unit 8 Pets第二课时Reading (1)基础知识回顾.根据首字母及汉语提示补全单词1.My son always likes to hide(躲藏) in the garden.2.My little brother often fights(打架) with his classmates at school.3.Dont touch(触摸) this kind of animals.They are dangerous.4.At the end(结尾) of the story,the girl went back home.5.Tom is old enough to take care(照顾) of himself.根据句意用所给词的适当形式填空1.Shall we go camping(camp) next Sunday?2.My grandpa likes hearing the birds sing(s。</p><p>6、Unit 8 Pets第五课时Task & Self-assessment基础知识回顾.根据首字母及汉语提示补全单词1.My cats favo(u)rite(最喜欢的) food is fish.2.She likes sleeping in a basket(篮子).3.The artists have to move out because its too noisy(吵闹的) and expensive.4.His pet is very lazy(懒惰的).It sleeps all day and all night.5.The cat uses its paws(爪) to play with a ball.根据句意用所给词的适当形式填空1.What an amazing(amaze) thing it is for the dog to do so many wonderful tricks!2.My d。</p><p>7、Unit 8Pets第一课时Comic strip & Welcome to the unit基础知识回顾.根据首字母及汉语提示补全单词1.What do you think about raising pets(宠物) at home?2.His cat likes sleeping on his knees(膝盖).3.Amy is afraid of mice(老鼠).She thinks they might bite her.4.Kitty usually feeds(喂食) her dog three times a day.5.Look!Jack is holding(拿) a CD in his right hand.根据句意用所给词的适当形式填空1.I want to teach my parrot to speak(speak).2.Im thirsty.Bring me something to。</p><p>8、Unit 8 Pets第四课时Integrated skills & Study skills基础知识回顾.根据首字母及汉语提示补全单词1.I had a long talk(谈话) with the headmaster about my son.2.The noise(噪音) from that party makes me angry.3.A full-grown elephant can weigh(重) over 6,000 kilograms.4.If you want to go anywhere(任何地方) else,let me know.5.Im sorry.Could I ask you to repeat(重复) the last word?.用方框中所给短语的适当形式填空grow up,pick up,weigh up,make noise,look after1.She stopped to pick up。</p><p>9、单元语法专练形容词1.形容词作定语。形容词作定语时,一般放在被修饰的名词前。例如:She is a good girl.她是一个好女孩儿。2.形容词作表语。形容词作表语时,与连系动词构成系表结构。例如:The meal is delicious.这顿饭很美味。3.形容词作宾语补足语。形容词作宾语补足语时,用来说明宾语的性质、状态或特征。例如:I found the book interesting.我发现这本书有趣。注意:多个形容词修饰名词时,有一定的顺序:限定词(冠词、指示代词、形容词性物主代词、数词) 描绘词(大小、长短、形状、长幼、新旧、颜色、国籍、材料) 名词。例如:a famous A。</p><p>10、单元语法专练形容词1.形容词作定语。形容词作定语时,一般放在被修饰的名词前。例如:She is a good girl.她是一个好女孩儿。2.形容词作表语。形容词作表语时,与连系动词构成系表结构。例如:The meal is delicious.这顿饭很美味。3.形容词作宾语补足语。形容词作宾语补足语时,用来说明宾语的性质、状态或特征。例如:I found the book interesting.我发现这本书有趣。注意:多个形容词修饰名词时,有一定的顺序:限定词(冠词、指示代词、形容词性物主代词、数词) 描绘词(大小、长短、形状、长幼、新旧、颜色、国籍、材料) 名词。例如:a famous A。</p><p>11、第3课时二次根式的大小比较知识要点基础练知识点 二次根式的大小比较1.下列式子中,值最小的是(D)A.10B.C.3D.72.比23小的正整数有(B)A.4个B.3个C.2个D.1个3.比较大小:(1)3223;(2)-26-62.综合能力提升练4.比较2,5,6的大小,正确的是(A)A.2<5<6B.2<6<5C.6<2<5D.5<6<25.比较大小:322与1282的结果是(B)A.前者大B.一样大C.后者大D.无法确定6.下列判断正确的是(A)A.32<3<2B.2<2+3<3C.1<5-3<2D.4<35<57.若两个连续整数x,y满足x<13+1<y,则x+y的值为9.8.把5的平方根和立方根按从小到大的顺序排列为-5<35<5.&#1。</p><p>12、第3课时平行四边形的判定知识要点基础练知识点1平行四边形的判定定理11.如图,在四边形ABCD中,ADBC,要使四边形ABCD是平行四边形,则可以添加的条件是(C)A.AB=CDB.AC=BDC.AD=BCD.ABC+BAD=1802.如图,在ABCD中,E,F分别为AB,CD的中点,连接DE,EF,BF,则图中共有4个平行四边形.知识点2平行四边形的判定定理23.四边形的四条边顺次为a,b,c,d且满足a2+b2+c2+d2=2ac+2bd,则这个四边形一定是平行四边形.4.如图,求证:四边形PONM是平行四边形.证明:在RtOMP中,OP=5,OM=4,PM=3,即11-x=3,x=8,ON=3,MN=5,PM=ON,OP=MN,四边形PONM是平行四边形.知识点3平行四边形。</p><p>13、第二十七章 相似本章中考演练1.(定西中考)已知a2=b3(a0,b0),下列变形错误的是(B)A.ab=23B.2a=3bC.ba=32D.3a=2b2.(临沂中考)如图,利用标杆BE测量建筑物的高度,已知标杆BE高1.2 m,测得AB=1.6 m,BC=12.4 m,则建筑物CD的高是(B)A.9.3 mB.10.5 mC.12.4 mD.14 m3.(广东中考)在ABC中,点D,E分别为边AB,AC的中点,则ADE与ABC的面积之比为(C)A.12B.13C.14D.164.(滨州中考)在平面直角坐标系中,线段AB两个端点的坐标分别为A(6,8),B(10,2),若以原点O为位似中心,在第一象限内将线段AB缩短为原来的12后得到线段CD,则点A的对应点C的坐标为(C)A.(5,1)B.(4,3)。</p><p>14、周滚动练(17.117.2)(时间:45分钟满分:100分)一、选择题(每小题4分,共32分)1.下列方程中,关于x的一元二次方程是(C)A.x2+1x=2B.ax2+bx+c=0C.x2+2x=2x2-1D.x2-2xy+3=02.已知方程x2+mx+3=0的一个根是1,则m的值是(A)A.-4B.4C.-2D.23.一元二次方程x2-2x-1=0配方后化成(x+m)2=n的形式,则m,n的值分别为(B)A.1,2B.-1,2C.1,-2D.-1,-24.若一元二次方程ax2+bx+c=0的两个根分别为1和-1,则a+c的值为(C)A.2B.1C.0D.-15.若x为任意实数时,二次三项式x2-6x+c的值都不小于0,则常数c满足的条件是(C)A.c0B.c0C.c9D.c96.若关于x的一元二次方程x2+(k+3)x+2=0的一。</p><p>15、第二十七章 相似章末小结与提升相似类型1相似多边形1.如图,把一张矩形纸片对折两次得到四个小矩形,如果每个小矩形都与原矩形相似,则原矩形纸片的长与宽之比为(B)A.21B.21C.31D.412.如图,有一块矩形草坪,沿草坪四周有宽为3 m的环形小路.(1)问小路内外边缘所成的两个矩形相似吗?(2)若矩形草坪的长、宽分别为a m,b m.则当a,b满足什么关系式时,能使小路内外边缘所成的两个矩形一定相似?(3)若a=50 m,b=30 m,则沿草坪四周的环形小路的宽应如何改变,才能保证小路的内外边缘所成的两个矩形相似?解:(1)小路内外边缘所成的两个矩形不一定相似.(2)小。</p><p>16、3.3垂径定理知识要点基础练知识点1垂径定理及推论1.下列命题中错误的有(A)弦的垂直平分线经过圆心;平分弦的直径垂直于弦;平分弦的直径平分弦所对的两段弧.A.0个B.1个C.2个D.3个2.在O中,弦AB的长为6,圆心O到AB的距离为4,则O的半径为(C)A.10B.6C.5D.43.(泸州中考)如图,AB是O的直径,弦CDAB于点E.若AB=8,AE=1,则弦CD的长是(B)A.7B.27C.6D.8【变式拓展】(安顺中考)已知O的直径CD=10 cm,AB是O的弦,ABCD,垂足为M,且AB=8 cm,则AC的长为(C)A.25 cmB.45 cmC.25 cm或45 cmD.23 cm或43 cm知识点2垂径定理的应用4.如图是一个圆弧形门拱,拱高AB=1 m,跨度。</p><p>17、Unit 6 Sunshine for all直击中考.单项填空(A)1.(安徽中考)The New Silk Road will offer a goodfor more nations to communicate.A.chanceB.habitC.questionD.price(B)2.(泰州中考)Itsfor you to keep secrets for your friends.In this way,you can win their trust.A.strangeB.necessaryC.possibleD.lucky(B)3.(襄阳中考)Great changes have taken place in Xiangyang.We are allthe achievements.A.known asB.proud ofC.similar toD.good with(D)4.(抚顺中考)She wasan email from her f。</p><p>18、相交线与平行线本章中考演练1.(邵阳中考)如图所示,直线AB,CD相交于点O,已知AOD=160,则BOC的大小为(D)A.20B.60C.70D.1602.(衢州中考)如图,直线a,b被直线c所截,那么1的同位角是(C)A.2B.3C.4D.53.(郴州中考)如图,直线a,b被直线c所截,下列条件中,不能判定ab的是(D)A.2=4B.1+4=180C.5=4 D.1=34.(东营中考)下列图形中,根据ABCD,能得到1=2的是(B)5.(齐齐哈尔中考)一副直角三角板如图放置,点C在FD的延长线上,ABCF,F=ACB=90,则DBC的度数为(B)A.10B.15C.18D.306.(湘西州中考)如图,DACE于点A,CDAB,1=30,则D=60.7.(湘。</p><p>19、Unit 5Amazing things单元语法专练一般过去时(一)1.概念。(1)表示在过去某个时间发生的动作或存在的状态。例如:I was at the zoo yesterday.昨天我在动物园。I went to bed at eleven last night.昨晚我11点钟睡觉的。(2)表示在过去一段时间内经常性或习惯性的动作。例如:When I was a child,I often played football in the street.小时候我经常在街上踢足球。2.与一般过去时连用的时间状语。在一般过去时的句子中,通常有下列表示过去的时间状语:yesterday,yesterday morning/afternoon/evening,the day before yesterday,last night/wee。</p><p>20、Unit2&Unit3重点单词根据汉语意思,写出相应的英文单词1.照相机camera2.电话;电话机phone3.丢下;遗忘leave4.飞机plane5.出租车taxi6.为什么why7.机场;航空港airport8.百hundred9.千thousand10.奇怪的strange11.船boat12.鸭duck13.猪pig14.香肠;腊肠sausage重点短语根据汉语意思,写出相应的英文短语1.移动电话;手机mobile phone2.寻找look for3.上(车、船、飞机等)get on4.匆匆忙忙in a hurry5.几百;成百上千hundreds of6.目前。</p>