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下列图像能正确反映对应变化关系的是

A ①向等质量的锌粉和铁粉中分别加入足量等浓度的稀盐酸

B ②加热氯酸钾和二氧化锰的混合物制取氧气

C ③在密闭容器中用足量红磷测定空气中氧气的含量

D ④向一定质量的饱和氢氧化钙溶液中加入氧化钙

读中国局部区域简图(下图),回答下列问题。

1)图中的三条铁路线中,到达香港特别行政区的是        线(填数字代码),名称是         

2)字母A所示山脉的名称是         ,它和淮河构成了我国重要的地理分界线。

3)下列由青岛港运往海口的农产品,不可能的是      

A.小麦            B.苹果              C.油菜             D.棉花

4)图示区域内水资源分布不均,甲乙两地区中,          地区水资源不足,该地的居民在日常生活中应注意节约用水。

瓦子在宋代城市盛行,主要的原因(   )

A士大夫的提倡       B市民阶层不断壮大        C城市的繁荣        D商业的发展

请对下图四种动物按照从低等到高等的顺序排列,其中排序正确的一组是(      )

A甲、乙、丙、丁   B甲、丁、乙、丙

C丁、甲、乙、丙   D甲、丙、丁、乙

人体运动系统的组成不包括(  )

A.骨   B.关节   C.神经   D.肌肉

键线式可以简明扼要的表示碳氢化合物,这种键线式物质是(  )

    A.丁烷        B.异丁烷         C.异戊烷       D.新戊烷

看图写算式。

5-(______)=(______)

粤菜、川菜、湘菜是我国著名的菜系,其发源地分别是(     )

A.福建、四川、湖南

B.广东、四川、湖南

C.湖北、云南、河南

D.河北、四川、河南

如图所示,L1、L2为两平行的直线,间距为d.L1下方和L2上方的空间有垂直于纸面向里的匀强磁场,且磁感应强度均为B.现有一质量为m、电荷量为+q的粒子,以速度v从L1上的M点入射两线之间的真空区域,速度方向与L1成θ=30°角.不计粒子所受的重力,试求:

(1)粒子从M点出发后,经过多长时间第一次回到直线L1上?

(2)若在直线L1、L2之间的平面内,存在与图示速度方向垂直斜向上场强为E的匀强电场,则粒子经过多长时间第一次到达直线L2

(3)若直线L1、L2之间无电场,v满足什么条件时,粒子恰好能回到M点?

如图5129所示,将一根导体棒ab的两端用细导线与灵敏电流计组成一个闭合电路,并用绝缘细线悬挂起来放在U形磁铁的磁场中.

(1)让导体棒ab水平向左运动时,灵敏电流计的指针向右偏转;导体棒ab水平向右运动时,指针向左偏转,说明感应电流的方向与________________有关.

(2)让导体棒ab水平向右缓慢运动时,灵敏电流计的指针向左偏转的角度较小;导体棒ab水平向右快速运动时,灵敏电流计的指针向左偏转的角度较大,说明感应电流的大小与________________有关.

(3)让导体棒沿竖直方向上下运动时,电路中______感应电流产生.

(4)下列电器中,应用电磁感应原理制成的是(  )

A.电铃    B.电风扇    C.动圈式话筒    D.动圈式扬声器

5129

如图所示,匀强磁场中有一个用软导线制成的单匝闭合线圈,线圈平面与磁场垂直.已知线圈的面积S=0.3m2、电阻R=0.6Ω,磁场的磁感应强度B=0.2T.现同时向两侧拉动线圈,线圈的两边在Δt=0.5s时间内合到一起.求线圈在上述过程中

1)感应电动势的平均值E

2)感应电流的平均值I,并在图中标出电流方向;

3)通过导线横截面的电荷量q

(Ⅰ)设证明:

(Ⅱ),证明.

Nowadays more and more Chinese teenagers find life more difficult without their parents. They don’t know how to do   56   because their parents do     57    everything for them at home. This is a big problem.

Joy is 14 years old. One day her parents went away   58   business, so she had to stay at home alone. At first she thought she would be happy   59   her parents were not in. She could do everything   60   she liked. But it was six o’clock in the afternoon, she felt  61  . “Oh, it’s time    62    supper. Where can I get my food?” she said to    63   . Later she found some food in the fridge, but she   64   know how to cook. At that moment, she missed her   65   very much. At last she could only go to the supermarket and   66   some food to eat.

Many of teenagers are   67   as Joy. So I think they should learn some basic life    68   , like cooking, tidying up their rooms or dressing themselves   69  . They shouldn’t    70    too much on their parents.

(  )56. A. homework                  B. some shopping        C. business          D. housework

(  )57. A. always             B. hardly                      C. almost               D. most

(  )58. A. in                             B. at                          C. on                   D. with

(  )59. A. so                              B. because                    C. but                   D. until

(  )60. A. that                                   B. who                       C. where              D. when

(  )61. A. hungry                       B. full                       C. excited              D. bored

(  )62. A. has                 B. to have           C. having         D. had

(  )63. A. himself                       B. her               C. herself         D. him

(  )64. A. couldn’t                     B. didn’t                     C. might not        D. wouldn’t

(  )65. A. cousin                        B. aunt                         C. brother              D. parents

(  )66. A. made                          B. bought                   C. gave                D. saw

(  )67. A. the same                    B. difficult                   C. different          D. easy

(  )68.A. skills                           B. plans                        C. advice               D. lesson

(  )69. A. actually                      B. carelessly                C. properly         D. slowly

(  )70. A. stick                           B. depend                     C. provide             D. prevent

上初中的小明是班里的胖墩,平时最爱吃肉和巧克力,每天都带饮料上学,班里的矿泉水他从来不喝。请你用学过后知识分析。

1)从营养角度讲,小明属于         症,也是          的一种表现。

2)不科学的饮食习惯可能会给人的健康带来危害。如口味过重的人做菜总是咸了才够味,长期摄入过多的盐,容易患          ;长期不吃早饭的人易患         ;过节假日或朋友请客就暴饮暴食,会引起         

下图是蝗虫的外部形态图。据图回答:

(1)蝗虫的身体分为                        三个部分。

(2) 体表的外骨骼的作用有保护和            

(3) 蝗虫共有三对足,其中适于跳跃的是发达的[  ]      

(4)蝗虫的翅共       对,是它的飞行器官。

Mr. Ma has __________ children and Ma Ling is his ________ child. ( )
A. three, second B. fourth, three C. two, third

我国水资源时空分布的特点是( 

①东南多,西北少

②西北多,东南少

③夏秋多,冬春少

④冬春多,夏秋少

A、①④      B、①③      C、②③      D、②④

 

Bill White’s father is a lawyer. In his   41   time, he likes to get out in the country and take some   42   of animals.

    For a long time, Bill had wanted to go with his father on one of his   43  . But his father didn’t take Bill along with him   44   he was fifteen.

    He and Bill drove to the farm which   45   to his uncle in the afternoon. They  46   the night there, so that they could   47   out early the next morning. Uncle Steve and his son Larry, who was sixteen, were going to go out with them.

   It was still dark when Bill heard the alarm   48   the next morning. He wondered why it was running so early. He couldn’t remember   49   he was. He turned over   50   and looked at the clock. It was 5 o’clock. Then he   51  that he was at the   52   and that he was going out to take pictures with his father. He jumped out of bed and got   53   quickly.

    He ran downstairs. The others were already in the   54  . Uncle Steve was cooking bacon and eggs. There was a pot of coffee on the stove. It   55   good.

    They ate breakfast quickly. They didn’t talk   56   , because they didn’t want to   57   up the other people in the house. They filled a thermos bottle   58   hot coffee and took some sandwiches   59   Aunt Grace, Uncle Steve’s wife, had made for them. They gathered their camera   60   and started out.

41.

A. busy

B. spare

C. enough

D. limited

42.

A. foods

B. drawings

C. paintings

D. pictures

43.

A. trips

B. buses

C. holidays

D. mountains

44.

A. after

B. when

C. until

D. unless

45.

A. led

B. stuck

C. got

D. belonged

46.

A. cost

B. spent

C. slept

D. took

47.

A. start

B. begin

C. walk

D. step

48.

A. telephone

B. machine

C. bell

D. clock

49.

A. where

B. how

C. who

D. what

50.

A. quickly

B. sleepily

C. quietly

D. suddenly

51.

A. imagined

B. pronounced

C. forgot

D. remembered

52.

A. mountain

B. town

C. farm

D. station

53.

A. dressed

B. ordered

C. eaten

D. prepared

54.

A. bathroom

B. kitchen

C. dining-room

D. sitting-room

55.

A. seemed

B. felt

C. tasted

D. smelled

56.

A. many

B. soundly

C. much

D. highly

57.

A. wake

B. go

C. put

D. come

58.

A. of

B. with

C. in

D. by

59.

A. that

B. what

C. after

D. before

60.

A. cover

B. supply

C. operator

D. equipment

传承优秀传统文化是我们的历史使命。运用所学知识,回答下列问题。



丙:创办于南通的大生纱
(1)研读经典是走进传统文化的第一步。概括材料甲中“仁”的含义,孔子倡导“仁”是为了解决当时的什么问题?
(2)体验情怀是学习传统文化的主要方式。概括材料乙中唐太宗的执政理念。结合所学知识,指出他践行这一执政理念的具体措施。
(3)传承传统文化须与现实相结合。归纳上丙图反映的历史现象。指出其产生的现实背景。
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