人教版（2019）选择性必修 第二册Unit 1 Science and Scientists Assessing Your Progress 课件(共10张PPT)

(共10张PPT)
人教版（2019）选择性必修二
Unit 1 SCIENCE AND SCIENTISTS
Assessing Your Progress
Learning Objectives
1.To read about how John Snow defeated “King Cholera”
2.To work out the stages of scientific research
3.To understand the important role of questioning spirit in scientific research.
4.To solve the reading tasks by thinking logically and cooperating with peers.
06
01
04
03
02
05
07
08
brilliant
solid
microscope
finding
contradictory
gift
astronomer
theory
Activity 1
Complete the passage with the correct forms of the words below.
The scientist's main task is to discover how things work in the universe. But few scientists have placed themselves under the ___________ . So even though the _______________ scientific method, which mainly includes hypotheses, data collection, and statistical analysis, is written down, the method by which scientists come to ________________ conclusions is hard to identify. Two of the essential qualities a scientist needs to have seem to be curiosity and creativity. People who are curious usually have a mixture of seemingly ____________ desires: They are looking for originality and yet they also want everything in its proper place.
microscope
brilliant
solid
contradictory
To settle the confict between statistics and _______,scientists often have to be creative, and think outside the box—approach the problem from different directions. They must have a vivid imagination and a strong intuition in order for new ________ to be made. It echoes something the _______ Carl Sagan once said. He believes that every child"starts out as a scientist" and every child is __________ with the“sense of wonder and awe".
theory
findings
astronmer
gifted
作主语：主语从句
作宾语：宾语从句
作表语：表语从句
作同位语：同位语从句
Whatever is done cannot be undone.
I doubt whether he will struggle to achieve his dream.
The problem is how the nuclear-polluted water will be disposed.
The spokesman can’t answer the question why China can’t ban American products.
名词从句
Activity 2
Review predictive clauses
定义：表语从句放在 之后，充当复合句中的 。
结构: _______________________________
主语+系动词 +
引导词 +
简单句
系动词
表语
1. 右面图表里的动词，不总是用作连系动词。
2. 代词充当表语时，通常用代词的宾格形式。
3. 做题时，区分该用动词过去分词、V-ing形式还是动词的不定式充当表语：主语是动作的发出者，并且动作在持续进行时，用V-ing形式；主语是承受者时，动词使用过去分词；而当主语为动作执行者时，动词多用不定式。
表语从句前的系动词
She remained _________ there for a good hour, which surprised everyone.
令所有人吃惊的是，她在那里站了很长时间。
standing
Science is simply __________ you can do. And doing science makes you a scientist! So,what do scientists do Actually, what matters is not only __________ they observe in theworld around them and what questions they ask, but also __________ they use evidence or data to answer the questions. They identify useful data and take new measurements.Some of the key issues that scientists face are __________ calculations they do and __________ they analyse their data to draw conclusions about the questions they ask. The final issue, which many believe to be the most important, is __________ they need to communicate their results. This is __________ they want everyone to benefit from theirwork! It seems __________ science is all around us. You see, by doing science, scientists get a better understanding of the world around them and share that understanding with the whole world.
what
what
how
what
how
why
because
that/as if
Activity 3
Fill in each blank with a word or expression that introduces a predicative clause.
Activity 3
Self assessment and reflection
What new ideas did you learn about science and scientists from this unit
What new vocabulary and structures did you learn in this unit How well can you use them Did you use any of them in your language activities
Do you think the "asking questions"strategy was useful in understanding the texts
What problems did you or your friends have with this unit How did you solve the problems What advice did you give each other
Overall, I thought this unit was inspiring interesting so-so dificult.
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