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典范英语1b Lesson 17 The Enormous Crab
重点词汇： crab 螃蟹 bucket 水桶
nip 夹 lots of 很多
enormous 巨大的
hold-held 抓着-抓着了
get-got out 出来-出来了
课文内容：
重点句型：
Lesson17 The Enormous Crab
Chip got a crab.
Dad put it in the bucket.
They got lots of crabs.
Then Biff got an enormous crab.
Dad held the enormous crab.
The crabs got out.
Did the enormous crab nip Dad
No! It did not.
1. 句型总结：
A. 主语 + 动词过去式 + 宾语。 这是最基础的句型，用来描述动作。
Chip got a crab.
Dad put it in the bucket.
They got lots of crabs.
Biff got an enormous crab.
Dad held the enormous crab.
B. 主语 + 动词过去式
这个句型用来描述主语的状态或发生的事件，没有直接宾语。
The crabs got out.
C. 一般疑问句 (Yes/No Questions)
用于询问是否发生了某事。
Did the enormous crab nip Dad
结构：助动词 (Did) + 主语 + 动词原形 + 其他？
这是一个非常重要的语法点：在一般过去时的一般疑问句中，实义动词要变回原形。
D. 否定句 结构：主语 + did not (didn't)
用于回答否定疑问句或表达否定意思。
No! It did not.
这里省略了动词 nip，因为上文已经提到过，为了避免重复。
2. 重点词汇与短语搭配
除了句子结构，故事中还包含了一些固定搭配和高频词：
get a crab / get lots of crabs: “抓到螃蟹”的表达。
put ... in ...: “把……放进……里”。
hold the crab: “抓住/拿着螃蟹”。
get out: “出来/逃跑”。
nip: “咬/夹”（特指昆虫或小动物的咬）。
enormous: “巨大的”，用来形容那只特别大的螃蟹。
1. Who caught the first crab
读后思考：
2. Where did Dad put the crab
3. What did Biff get
4. Did the enormous crab nip Dad
5. What happened to the crabs at the end
1. Who is the first person to catch a crab
小试牛刀： A. Biff
B. Dad
C. Chip
D. Kipper
2. What did Dad do with the first crab
A. He ate it.
B. He held it.
C. He put it in the bucket.
D. He let it go.
3. Biff caught a very big crab. What word does the story use to describe it
A. Small
B. Funny
C. Enormous
D. Scary 4. Who held the enormous crab
A. Biff
B. Dad
C. Chip
D. The bucket 5. Did the big crab bite (nip) Dad
A. Yes, it did.
B. No, it did not.
C. Yes, it was angry.
D. No, but it ran away.
学习目标：
1.重点单词会拼读。
2.重点句型会造句。
3.读后思考问题，用英文复述故事脉络。
小试牛刀答案：CCCBB

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