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1. 适当增加与要点有关的语句加以说明;

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3.根据逻辑关系加上连接词

常用短语和词汇:

be born  when he/she was ……years old /at the age of

later  begin to   graduate from

spend time doing     discover  

评价:be considered to be / be regarded as

 be rewarded……  contribute

 devoted oneself to sth.

根据以下素材写一篇介绍爱因斯坦的短文

Date of birth: March 14th, 1879  Place of birth: Germany

Childhood: curious, slowing in learning

Education background:

1886 : study in Munich, mathematics, religion

1896 : graduated from high school

1900 : become a maths teacher

1905 : receive a doctor’s degree

Achievement:  develop the Theory of Relativity by 1915

   prove light is bent when passing the sun

   won the Nobel Prize for Physics in 1922

Evaluation: one of the greatest scientists in the 20th century

    Albert Einstein

Albert Einstein was born on March 14th,1879 in Germany. When he was a child,he was curious about everything, but he was considered to be slow at learning. In 1886, he began to study in Munich. He studied mathematics as well as religion. In 1896,Einstein graduated from high school at the age of 17.

Four years later, Einstein became a maths teacher. In 1905, he received a doctor’s degree. By the year 1915, he had developed the famous Theory of Relativity and became famous in the world. He proved that light is bent as it passes the sun. Because of his great achievement, he won the Nobel Prize for Physics in 1922.

Einstein was one of the greatest scientists in the 20th century. Some people say that he was a genius. But I think the main reason why he was so successful was his hard work .

 B. 说明文

参考篇目:Unit2.News Media 不同观点对比。阐述自己观点。

常用短语和词汇:

对比:while, but, however, on the contrary, on the other hand,

类比:as well, besides, also, too,

表达观点:I think, in my opinion, it seems to me……

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话题写作练习

A 人物介绍

参考篇目:Unit 1. Hawking. Einstein

注意:1. 表格变为段落

2.按时间顺序

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19、(1)m(高温)=15.6g   m(低温)=36.9g  

(2) KNO3和NaCl   15.6g   36.9g

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18、36 g

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17、(1)100 g   (2)47.5%

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16、(1)NaHCO3;129 g

(2)NH4Cl 和NaHCO3;30.7 g

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15、600 L;76.1 L;加蒸馏水稀释至600 L。

讲析:溶液的稀释或混合过程中,“溶质”是个关键。稀释时溶质不变,可得

c V =c1V1;混合时溶质变化,有c V = c1V1 + c2 V2

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14、C;C;G。

讲析:晶体在其饱和溶液中一方面是晶体溶解,另一方面是溶液会析出晶体,存在着溶解结晶平衡。

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9、C  10、D  11、B  12、B  13、AD

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