选择性必修 二 Unit 1 Science and Scientists - Assessing Your Progress (17张PPT)

(共17张PPT)
Unit 1
Unit 1 SCIENCE AND SCIENTISTS
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
brilliant, solid, microscope, finding, contradictory, gift, astronomer, theory
microscope
brilliant
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. To settle the conflict between statistics and ________, scientists often have to be creative,
contradictory
solid
brilliant, solid, microscope, finding, contradictory, gift, astronomer, theory
theory
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”.
astronomer
gifted
brilliant, solid, microscope, finding, contradictory, gift, astronomer, theory
findings
come to solid conclusions 得出确凿的结论
be gifted with 有天赋
sense of wonder and awe 好奇敬畏之感
have a vivid imagination 有丰富的想象力
have a strong intuition 有很强的直觉
have a mixture of 混合
think outside the box 跳出故有的思维模式
1. 由that, whether, as if / though引导的表语从句。如：
The trouble is that I have lost his address.
The question is whether they will go by plane or by train.
It sounds as if / though someone is knocking at the door.
2. 由because和why引导的表语从句。如：
This is because the weather here is cold and wet.（强调原因）
That’s why Tony got angry with me. （强调结果）
3. 由连接代词和连接副词引导的表语从句
引导表语从句的连接代词who, whom, whose, what, which, whoever, whatever, whichever在从句中充当主语、宾语、定语或表语；连接副词when, where, why, how在从句中充当状语。如：
He has become what he wanted to be ten years ago.
The question is how we can find the suitable man for the job.
【注意】
1) 表语从句一律用陈述句的语序。
2) 表语从句的引导词that无实际意义, 但不能省略。
3) 表语从句只能用whether, 而不能用if 引导。
4) The reason … is because that …
The reason… is that…
This / It / That is because…
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 the world 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
Fill in each blank with a word or expression that introduces a predicative clause.
what
what
how
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 their work! 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
why
how
that/as if
because
What new ideas did you learn about science and
scientists from this unit
interesting, tough
determined,
courageous
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 ◎difficult.
Revise the content of this unit.