12.C 13.B 14.D 15.D 16.B 17.C 18.B 19.C 20.A 21.B 22.B 查看更多

 

题目列表(包括答案和解析)

三个实验小组同时分别探究“蜡熔化时温度的变化规律”、“海波熔化时温度的变化规律”与“水的沸腾”,记录数据如下表:
时间/min 10 11 12 13 14 15 16 17
甲的温度/℃ 97.0 97.5 98.0 98.0 98.0 98.0 98.0 98.0
乙的温度/℃ 35.0 40.0 45.0 49.5 54.0 58.3 62.5 66.6
丙的温度/℃ 46.0 47.0 48.0 48.0 48.0 48.0 48.8 49.8
根据记录表,请你判断下列说法正确的是(  )

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(2013?鄂州)三个实验小组同时分别探究“蜡熔化时温度的变化规律”、“海波熔化时温度的变化规律”与“水的沸腾”,记录数据如下表:
时间/min 10 11 12 13 14 15 16 17
甲的温度/℃ 97.0 97.5 98.0 98.0 98.0 98.0 98.0 98.0
乙的温度/℃ 35.0 40.0 45.0 49.5 54.0 58.3 62.5 66.6
丙的温度/℃ 46.0 47.0 48.0 48.0 48.0 48.0 48.8 49.8
(1)根据记录表,请你判断下列说法正确的是
D
D

A.甲是蜡,乙是海波,丙是水    B.甲是海波,乙是蜡,丙是水
C.甲是水,乙是海波,丙是蜡    D.甲是水,乙是蜡,丙是海波
(2)在上表所示12min~15min时间内,下列说法正确的是
C
C

A.甲不断吸收热量,内能不变    B.乙不断吸收热量,内能不变
C.丙不断吸收热量,内能增加    D.丙吸收和放出热量相等,内能不变.

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据天气预报报道,中考前后几天的天气相差不大,南南同学记录了6月16日一天中不同时间的温度如下表:

时间

7:00

8:00

9:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

温度/℃

14

15

18

22

24

26

25

28

28

27.5

27

(1)请你根据表中的数据在如图中绘出温度随时间变化的图象.(提示:可以用柱形图、线形图或曲线图表示)

(2)请根据你华出的图象预测6月17日下午13:30的大致温度 .

(3)温度与人们的生活息息相关.以下给出了一组常见的温度值,你认为合理的是 (    )

 A、人体正常体温是39℃

B、一标准大气压下,冰水混合物的温度为0℃

C、沸水的温度一定是100℃

D、适合人们洗澡的热水温度约70℃

 

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The world always makes way for the dreamer.
When I was twelve years old, my father took me to see Zig Zigler. I remember sitting in that dark hall listening to Mr. Zigler  1  everyone’s spirits up to the ceiling, I  2  there feeling like I could do anything. When we got to the car, I turned to my father and said, “Dad, I want to          3   people feel like that.” My father asked me  4  I meant. “I want to be a motivational (激励人的)speaker just like Mr. Zigler,”  I replieD.A  5  was born.
Recently, I began seeking my dream of motivating others.  6  a four-year relationship with Fortune 100 Company  7  as a sales-trainer and ending as a regional sales manager, I left the company at the height of my  8 . Many people were  9  that I would leave after earning a six-figure income. And they asked  10  I would risk everything for a dream.
I made my  11  to start my own company and leave my secure(无忧虑的)position after
 12  a regional sales meeting. The vice-president of our company delivered a  13  that changed my life. He asked us, “If a god would offer you three wishes, what would they be?” After giving us a  14  to write down the three wishes, he then asked us, “Why do you need a  15 ?” I would never forget the power I felt at that moment. I realized that  16  I had accomplished in the past had prepared me for this moment. I was ready and didn’t need a god’s help to become a motivational speaker. A motivational speaker was  17 .
Having made that decision, I was immediately  18 . One week after I gave notice, my husband was laid off from his job, and now we had no  19 . But I held fast to my dream. The wonder really began to happen. In a short time my husband found a better joB.And I was able to book several   20  engagements with new customers. I discovered the incredible power of dreams.
1.A.rise                      B.blow                  C.put                      D.raise
2.A.left                       B.came                  C.arrived                 D.slipped
3.A.get                       B.hope                  C.make                   D.cheer
4.A.that                      B.what                  C.which                  D.if
5.A.dream                   B.idea                   C.girl                      D.speaker
6.A.After                    B.Before               C.Because                D.While
7.A.beginning             B.working             C.acting                  D.regarding
8.A.life                       B.love                   C.income                 D.career
9.A.disappointed          B.moved               C.surprised              D.delighted
10.A.when                  B.why                   C.if                         D.how
11.A.plan                    B.promise              C.decision               D.mind
12.A.attending             B.joining               C.entering               D.holding
13.A.newspaper           B.book                  C.report                  D.speech
14.A.day                     B.second               C.week                    D.moment
15.A.help                    B.job                    C.god                      D.company
16.A.everything           B.anything             C.nothing                D.something
17.A.alive                   B.dead                  C.missing                D.born
18.A.examined            B.searched             C.checked                D.tested
19.A.help                    B.harm                  C.income                 D.money
20.A.selling                B.speaking             C.writing                 D.listening

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The world always makes way for the dreamer.
When I was twelve years old, my father took me to see Zig Zigler. I remember sitting in that dark hall listening to Mr. Zigler  1  everyone’s spirits up to the ceiling, I  2  there feeling like I could do anything. When we got to the car, I turned to my father and said, “Dad, I want to          3   people feel like that.” My father asked me  4  I meant. “I want to be a motivational (激励人的)speaker just like Mr. Zigler,”  I replieD.A  5  was born.
Recently, I began seeking my dream of motivating others.  6  a four-year relationship with Fortune 100 Company  7  as a sales-trainer and ending as a regional sales manager, I left the company at the height of my  8 . Many people were  9  that I would leave after earning a six-figure income. And they asked  10  I would risk everything for a dream.
I made my  11  to start my own company and leave my secure(无忧虑的)position after
 12  a regional sales meeting. The vice-president of our company delivered a  13  that changed my life. He asked us, “If a god would offer you three wishes, what would they be?” After giving us a  14  to write down the three wishes, he then asked us, “Why do you need a  15 ?” I would never forget the power I felt at that moment. I realized that  16  I had accomplished in the past had prepared me for this moment. I was ready and didn’t need a god’s help to become a motivational speaker. A motivational speaker was  17 .
Having made that decision, I was immediately  18 . One week after I gave notice, my husband was laid off from his job, and now we had no  19 . But I held fast to my dream. The wonder really began to happen. In a short time my husband found a better joB.And I was able to book several   20  engagements with new customers. I discovered the incredible power of dreams.
1.A.rise                      B.blow                  C.put                      D.raise
2.A.left                       B.came                  C.arrived                 D.slipped
3.A.get                       B.hope                  C.make                   D.cheer
4.A.that                      B.what                  C.which                  D.if
5.A.dream                   B.idea                   C.girl                      D.speaker
6.A.After                    B.Before               C.Because                D.While
7.A.beginning             B.working             C.acting                  D.regarding
8.A.life                       B.love                   C.income                 D.career
9.A.disappointed          B.moved               C.surprised              D.delighted
10.A.when                  B.why                   C.if                         D.how
11.A.plan                    B.promise              C.decision               D.mind
12.A.attending             B.joining               C.entering               D.holding
13.A.newspaper           B.book                  C.report                  D.speech
14.A.day                     B.second               C.week                    D.moment
15.A.help                    B.job                    C.god                      D.company
16.A.everything           B.anything             C.nothing                D.something
17.A.alive                   B.dead                  C.missing                D.born
18.A.examined            B.searched             C.checked                D.tested
19.A.help                    B.harm                  C.income                 D.money
20.A.selling                B.speaking             C.writing                 D.listening

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