Unit 4 Astronomy: the science of the stars（Vocabulary and Useful Expressions）
unit 4 astronomy: the science of the stars（vocabulary and useful expressions）
●三维目标
1.knowledge：
（1）words：
crack，burst，ruin，injure，destroy，shock，last的具体用法。
（2）phrases：
at an end，right away，dig out 的用法
（3）sentence patterns：
all hope was not lost.（部分否定句）
2.ability：
（1）train the students’ ability to read different numbers in english.
（2）learn the usage of some difficult words and expressions.
（3）train the students’ ability to remove the difficulties while reading.
3.emotion：
（1）train the students’ ability to cooperate with others.
（2）know the deadliness of an earthquake and the signs before an earthquake is coming.
（3）learn from the bravery of people in tangshan to face the reality and rebuild the city.
●教学重点
（1）train the students’ ability to read different numbers in english.
（2）train the students’ ability to cooperate with others.
●教学难点
（1）the explanation of some difficult words and expressions.
（2）train the students’ ability to remove the difficulties while reading.
●教具准备
（1）a tape recorder
（2）a projector
（3）the blackboard
●教学过程
step 1 greetings
greet the whole class as usual.
step 2 revision
t：in the last period，we learned something about the terrible tangshan earthquake in 1976，which is the deadliest earthquake in china’s history.now i am going to ask you some questions based on the reading passage.
t：what did people in tangshan see in the sky before the earthquake？
s1：they saw bright lights in the sky.
t：what did people hear？
s2：they heard the sound of planes outside tangshan even when no planes were in the sky.
t：what did people notice in the wells？
s3：people noticed the well walls had deep cracks，and a smelly gas came out of the cracks.
t：did people pay any attention to these abnormal phenomena？
s4：no.they went to bed as usual that night.
t：when did the earthquake begin？
s5：at 3：42 in the morning of july 28.
t：how many people were killed or injured in the quake？
s6：more than 400000 people.
t：could the injured people go to hospital？
s7：no，they couldn’t because all of the city’s hospitals were gone in the quake.
t：were there any aftershocks？
s8：yes.later that afternoon，another big quake shook tangshan.many rescue workers and doctors were trapped under the ruins.
t：did the survivors deny the city and go to live in other places？
s9：no.they did the rescue work with the help of 150000 soldiers sent by the army.slowly the city of tangshan began to breathe again.
t：i am very satisfied with your work.
