高中英语_主语从句教学课件设计

Read the passage below and choose the suitable clause for each blank.
Before Einstein，1____ was that light travelled through space in a straight line. But after years of research, Einstein suggested that light was bent as it passed the sun. 2___ was so new; it was said 3____. 4____ was difficult. It did not upset Einstein 5____. He stuck to his opinion and went on with his research. By 1919, with the astronomers’ support, he had succeeded in convincing them of his theory. He quickly became world-famous. Now it is generally accepted 6___.
Unit4 Astronomy Grammar Subject clauses
What makes the earth unique is that life exists on it. How life began on the earth is a mystery. What many scientists believe is that water is fundamental to the development of life.
D. that many of the scientists did not accept his ideas
E. what scientists believed F. what he had scientists believed was that light travelled through space in a straight line. What he suggested was so new.
It was said that only 3 people could understand it then. It didn't upset Einstein that many scientists didn't accept his ideas. It is generally accepted that Einstein was the leading scientist of the 20th century.
Para.1: how the earth formed
1. What the earth was to become was uncertain. 2. It was not clear whether the shape would last or not. 3. What is more important is that water began to
A. how he could prove his ideas to other scientists
B. that only three people in the world could understand it at that time
C. that Einstein was the leading scientist of the 20th century
appear on its surface.
Para.2: how important water was for life
4. It was not obvious that water was to be fundamental to the development of life.
5. What many scientists believe is that water allowed the earth to dissolve harmful gases.
主语从句是在复合句中充当主语的从句。通常 放在句首，也可用形式主语it代替，而从句则 放在句末.
It's a mystery how life began on the earth.
It's uncertain whether life will continue on the earth.
Find out all the subject clauses in the text. How Life Began On The Earth
Para.3&4: how plants and animals developed
6. Why they suddenly disappeared remains a mystery.
7. Whether life will continue on the earth will depend on whether this problem can be solved.
what 引导主语从句； 意为:什么/…的（东西/事情/地方/样子…）； 成分：作主/宾/表语等； 语序：陈述。
that 只引导主语从句； 无词义； 不作成分； 放在句首不省略。
Fill in the blanks with “that” and “what”.
W___h_a_t is widely accepted is that the universe began with a “Big Bang. W___h_a_t they really need is not money but love. _T_h_a__t he is still alive is a wonder. W___h_a_tTom was worried about seemed obvious to us all. It is a fact _t_h_a_t_ the temperature of the earth is going up.