The Third Period

t：no.“destroy” means to damage something so badly that it no longer exists or cannot be repaired.if you “ruin” something good or useful，it then usually exists，but no longer has its good qualities or features.
e.g.（1）the school was completely destroyed in the big fire last night.
（2）too much sugar can ruin your teeth.
s8：in the third paragraph，“people were shocked.”what’s the meaning of the sentence？
t：“shock” here means to make someone feel very surprised and upset and unable to believe what has happened.
e.g.the murder of such a young child deeply shocked the whole community.
s9：so the sentence in our text means people were surprised.
t：yes.but there is a slight difference between “shock” and “surprise”.if something is，comes as，or gives you a shock it is unexpected and often very bad.
e.g.it came as a great shock to hear she was leaving home.
but a surprise is something that is unexpected，but is not necessarily bad.
e.g.what a nice surprise! i didn’t even think you were in the country!
s10：in the third paragraph，“people began to wonder how long the disaster would last.” what does the word “l(fā)ast” mean in this sentence？is it an adjective？
t：no，it is not an adjective but a verb.“l(fā)ast” here means to continue for a particular length of time.
e.g.the hot weather lasted for the whole month of july.
as a verb，“l(fā)ast” could also mean to manage to remain in the same situation，even when this is difficult.
e.g.they won’t be able to last much longer without fresh supplies.
the word “l(fā)ast” can also be used as a linking verb.it means being enough for someone to use.
e.g.we only had $50 to last us the rest of the month.
s11：in the last paragraph，“all hope was not lost.” what is the meaning of this sentence？
t：this sentence is a partial negative.it has the same meaning with “not all hope was lost.”
e.g.（1）all the students do not agree to the plan.
（2）not all the students agree to the plan.
these two sentences mean some of the students agree to the plan，but some don’t.
step 5 consolidation
t：now after the explanations of the words，expressions and sentence patterns，let’s do some exercises.please turn to page 28 and look at part 2 in learning about language.complete the passage with some of the words in the text.
（after several minutes teacher asks one of the students to read the short passage.correct any mistakes if there are any.）
step 6 homework
t：in order to master the usage of these words and expressions，please do some related exercises.finish off the two parts in using words and expressions on page 63.