A Puma at
【New words and expressions】 生词和短语
pick out,see,recognise,catch,sight of
spot=see : 强调结果、辨别出、看见、识别、发现
find : 强调发现的结果
A tall man is easy jto spot in the crowd.
He has good eye for spotting mistakes.
There is a white spot on the shirt.
on the spot
1.立刻，马上（at once ,immediately)
Anyone breaking the rules will be asked to leave on the spot.
2.at the place of the action 在现场
Wherever she is needed,she is quickly on the spot.
When the police arrived,he had already destroied the evidence.
in evidence: 显而易见的
He was in evidence at the party.
As the evidence accumulates,experts from the zoo felt obliged to
gather vt. 聚集，把某人召集在某处
hoard vt. 大量的储存
hoard up＝store up
The squirrel hoards up nuts for the cold winter
feel obliged to do sth 感觉有必要做某事
be obliged to do sth. 被迫做某事
run after 强调追赶、追求
at the corner of the street
in the corner of the room
on the corner of the desk
The thief was cornered at last
The problem cornered me.
The police trailed the criminal to the place where he was hiding
She is always clinging to her mother.
He clung to the hope that he would succeed.
stick 粘住； stick to 坚持； sticky 粘的
convince sb.of sth.
by some means,in some way ,for some reason unknown
somewhat : a little
Listen to the tape then answer the question below.
Where must the puma have come from?
Pumas are large, cat-like animals which are
found in America. When reports came into London Zoo that a wild puma
had been spotted forty-five miles south of London, they were not
taken seriously. However, as the evidence began to accumulate,
experts from the Zoo felt obliged to investigate, for the
de<I>script</I>ions given by people who claimed to have
seen the puma were extrao