Module 4 Great Scientists

课件16张PPT。Module 4Great ScientistsThe Student Who Asked Questionsa new _______ riceby ________ different _______of rice plantIt could give a higher ____ than either of the ______ plants.What kind of rice did Yuan Longping develop?
How did he develop it?
What is the result of the new rice?
hybridcrossingspeciesyieldoriginalrice species Arice species Bcross the new hybrid rice C produce more and more quicklyhigher yield than the original plants nectarine
peach

plum
+hybrid True or False:
1. China produces more rice than any other country.
2. Yuan Longping is a very important scientist around the world.
3. In 1970 Yuan Longping discovered a naturally female rice plant.
4. The new rice replaced vegetables in 50 thousand square kilometers.
5. The new rice is now grown in other countries, such as Pakistan.Years later, I drove to a meeting in a nearby town
in the morning. In late afternoon I returned to my
car and found that I had left the lights on all day,
and the battery was dead. Then I noticed that the
Friendly Ford dealership-a shop selling cars-was
right next door. I walked over and found two
salesmen in the showroom. (2006 NMET）
1. The battery of the author’s car was dead because _____.
A. something went wrong with the lights
B. the meeting lasted a whole day
C. he forgot to turn off the lights
D. he drove too long a distance _____________________________key words
关键词supporting sentence （）Since my retirement from teaching music in 2001, I
have spent a good deal of time painting as an artist. I
actually began drawing again in the summer of 1995
when my father died, so perhaps I was trying to
recover from the loss of my father, or maybe it was
just that it brought back memories of him. In any case,
I drew pen and ink animals and landscapes much
influenced by Krenkel and St. John for five years.
(2006 NMET)
1. The author started drawing again in 1995 because ___.
A. he hoped to draw a picture of his father
B. he couldn’t stop missing his father
C. he had more time after retirement
D. he liked animals and landscape______________________（）China produces more rice than any other country.
2. Yuan Longping is a very important scientist around the world.
3. In 1970 Yuan Longping discovered a naturally female rice plant.
4. The new rice replaced vegetables in 50 thousand square kilometers.
5. The new rice is now grown in other countries, such as Pakistan.Para. 1, 1st sentence_________________Para. 1, the last sentencePara. 5, 3rd sentencePara. 5, the last sentencestaple/ producerleadingconvert/cash cropsexport____Para. 4, 6th sentencesterileTrue or False:
unforeseeable
notbefore, ahead of timecancan not see ahead of time This possibility was unforeseeable，because it almost never happened.unforeseeableMethod 1: from the construction of the words（构词）
Kate was perplexed. She couldn’t understand why Nancy did not like to speak. Then she realized that moving to a new country probably wasn’t the easiest thing to do. （2004年北京卷D篇）
72.The underlined word “perplexed” probably means ____?
A. puzzled B. angry C. shocked D. seriousMethod 2: from the context (上下文）________________________________stapleproducerleading convertcash cropsexportsterileproducerleading cash cropsexportproduce + era person, or a country that
grows or makes goods or materialslead + ing in first position or most important cash + cropscrop grown for moneyex + port send goods to another country for sale Method 1: from the construction of the words（构词）staplesterileconvertIn a hungry world rice is a staple food and
China is the world’s largest producer._____mainIt had to be male. It had to be sterile. Finally,
in 1970 a naturally sterile male rice plant was
discovered.not able to produce seeds, or children50 thousand square kilometers of rice field were
Converted to growing vegetables and other cash
Crops.change from one form/use to another_____________________________ True or False:
1. China produces more rice than any other country.
2. Yuan Longping is a very important scientist around the world.
3. In 1970 Yuan Longping discovered a naturally female rice plant.
4. The new rice replaced vegetables in 50 thousand square kilometers.
5. The new rice is now grown in other countries, such as Pakistan. See you!