2019-2020年六年级下册第三单元比例提优练习卷.doc

杭州长江实验小学六年级资优班素材2019-2020年六年级下册第三单元比例提优练习卷班级_姓名_1. 两个相同的瓶子装满酒精溶液，一个瓶子酒精与水的体积之比为3:1，而另一个瓶子酒精与水的体积之比为4:1.若把两瓶酒精溶液倒入一个盆中混合，混合后酒精与水的体积之比是多少？2.（1） 是（ ）的比。（2） 是（ ）的比。新课 标第 一 网（3） 是（ ）的比。（4） 是（ ）的比。（5） 根据上面四个比，请写出一个比例来。3. 一个施工队要铺设排污管道540米，计划20小时完工，结果头4个小时就铺设了144米，照这样的速度计算：要求每一小问都用正比例完成（1） 可以提前几小时完工？（2） 剩下的排污管道还要铺设几小时？（3） 铺设13小时后还剩下排污管多少米？4. 两个完全相同的三角形，把每个三角形分稍小些的两个小三角形，其中每个含有字母的式子分别表示它所在的长方形的面积，则( ) x =( ) y。5. 用弹簧称物体，称2千克的物体时弹簧全长12.5厘米；称6千克物体时弹簧长13.5厘米。那么，弹簧你全长15厘米时，所称物体重多少千克？6. 客车与货车同时从A、B两地的中点反向行驶0.5小时后客车到达A地，货车离B地还有4.5千米，已知客车与货车的速度比是6:5。A.、B两地相距多少千米？7. 甲、乙两车分别从A、B两地相对而行4小时相遇，相遇后两车继续按原速度前进，又行3小时后，甲车到达B地，乙车离A地还有70千米，A、B两地的路程是多少千米？新- 课-标-第 -一-网8. 某厂汽车生产情况如右图。（1） 哪两种量是相依变化的量？（2） 写出机组这两种量中相对应的两个数的比？求出比值，并说明这个比值的意义？（3）生产效率一定，生产时间和生产量成什么关系？系列资料 附送：六年级下册第三单元测试题听力部分（30分）一、听选单词。（仔细听，从A、B、C中选出你所听到的句子中所包含的那个单词或短语。每小题听两遍，每小题1分，共10分）( )1、A、do B、did C、does( )2、A、watch B、wash C、watched( )3、A、saw B、short C、see( )4、A、swim B、swam C、swims( )5、A、study B、studied C、studies( )6、A、went B、watched C、go( )7、A、on the weekend B、last weekend C、this weekend( )8、A、help them B、cleaned the classroom C、studied English( )9、A、played football B、busy C、read English ( )10、A、went fishing B、went hiking C、went swimming二、听选答语(认真听，从A、B中选出你所听到句子中相应的答语将标号填入题前括号内，每小题听两遍，每小题2分，共10分)( ) 1、A、Yes, I did. B、Yes , I do.( ) 2、A、I read a book. B、last weekend.( )3、A、He went swimming . B、She went swimming.( ) 4、A、No, I didnt . B、Sure.( ) 5、A、I usually watch TV. B、I watched TV.三、根据所听内容，补全短文。 (认真听，写出你所听到的那个短语，听三遍，每空2分，共10分) I was busy .On Saturday I with my father and mother .On Sunday ,in the morning ,I ,then I .In the afternoon I . 2019-2020年六年级下册第三单元测试题及答案四、英汉互译：(每小题1分，共10分)1、上周末 2、去游泳 _ 3、去钓鱼 4、去郊游 5、看电视 6、wash clothes 7、visit grandparents 8、listen to music 9、play football 10、go to the park 五、根据句意和已给出的首字母，补全单词。（每小题2分，共10分）1、He w to a park yesterday?2、I c my room last weekend.3、Did you r the magazine? 4、Did Lucy c a mountain 5、Last Saturday ,Candy v her uncle.六、选择(每小题1分，共10分)( )1、-Did you help me clean my room ? -Yes , I .A、did B、do C、does( )2 -What did Lisa do yesterday? -She to music .A、listens B、listen C、listened( )3、-What did you do last weekend? -I TV.A、saw B、looked at C、watched( )4、He in to he lake and to it.A、jumped,swimed B、jump, swam C、jumped,swam( )5、Did John football yesterday?A、play B、played C、play( )6、They books last weekend .A、read B、readed C、look( )7、Did you play football Zhang Peng?A、with B、 and C、to( )8、 Tom busy yeaterday.A、did B、 was C、were( )9、Lisa usually her homework after super.A、does B、do C、did( )10、Did you swimming last weekend?A、go B、goes C、went七、连词成句。(每个2分，共10分)1、did , what , you , yesterday , do? 2、you , full , did , the , moon , see 3、went , I , to , park , a , yesterday 4、jumped , the ， into ， lake ， he 5、with , Wang Ping , his ,played ,friends , last , football , weekend 八、读下列短文，选择正确答案（每题2分，共10分）Today was hot. I went to the farm（农场） with my parents. There was a river near the farm . I went to the river with my dog . We ran and played . Suddenly I dropped （掉进）into the river ,“Help , Help”My dog jumped into（跳进）the river and swam to me , Ten minutes later , I was saved（救）。I was grateful to him. We are good friends.( )1、It was very .A、cold B、hot C、windy( )2、I went to the river with my .A、parents B、friends C、teacher( )3、I ran and played with .A、my cat B、my dog C、my sister( )4、 jumped into the river and saved me.A、my dog B、my mother C、my father( )5、I was very grateful to my .A、mother B、friend C、dog九、请你根据实际情况回答下列问题。（每题5分，共20分）1、What do you usually do on the weekend? 2、What did you do last weekend? 3、Did you help your mother clean the room?(肯定回答) 4、Did you go to the park yesterday?（否定回答） 听力材料与参考答案一、听选单词。1. Did you play basketball with Zhang Peng?2. I watched TV last weekend.3. What did you do yesterday?I went to the zoo and saw the elephants.4. Do you often go swimming in the river in summer?5. I studied English yesterday.6. What did you do last weekend? - I went fishing.7.What did you do last weekend?8.Did you help them clean their room?9. Wu Yifan played football with Zhang Peng yesterday.10.Did you read books ? No ,I went hiking.二、 听选答语。1. Do you usually go to school on foot?2. What sis you do last weekend?3. What did Sarah do yesterday?4. Did you clean your room yesterday?5. What do you often do on Sunday?三、根据所听内容，补全短文。I was busy last weekend .On Saturday I visited my grandparents with my father and mother .On Sunday ,in the morning ,I did my homework ,then I cleaned my room .In the afternoon ,I went to a park with my friends.四、英汉互译1.last weekend ；2.go swimming ；3.go fishing； 4.go hiking ；5.watch TV；6洗衣服 ；7.看望祖父母 ；8.听音乐； 9踢足球 ；10.去公园；五、根据句意和已给出的首字母，补全单词1. ent ; 2.leaned ; 3.ead ; 4.limb ; 5.isited六、选择 A C C C A A A B A A七、连词成句。1 What did you do yesterday? 2 Did you see the full moon?3 I went to a park yesterday. 4 He jumped in to the lake.5 Wang Ping played football with his f