2. It went on for as far as the eye could see. 它长得一眼望不到头。
【感知】(1) This mountain is not as tall as that one. 这座山没有那座山高。
(2) In my opinion, physics is as useful as history. 在我看来，物理和历史一样有用。
【思考】总结一下形容词和副词的比较级、最高级的多种表达方式：


【运用】
(1) The sun is (near) to the earth than any other star.
(2) Look! Kate is running (fast) of all the students now!
(3) Sarah is a shy girl and she always talks (little) than the other students in her class.
(4) Their classroom is (一样干净) ours.

思考：
|类型|意义|结构|
|--|--|--|
|最高级|三者及以上中最……|the+形容词/副词最高级+in/of+范围|
||最……之一|one of+the+形容词最高级+可数名词复数|
|比较级|比……更……|形容词/副词比较级+than+其他|
|同级比较|和……一样……|as+形容词/副词原级+as+其他|
||不如……一样……|not as/so+形容词/副词原级+as+其他|
运用：（1）nearer （2）（the）fastest （3）less （4）as clean as

3. Some climbers reach the top successfully, but many fail. 一些登山者成功登顶，但也有很多登山者失败了。
【感知】(1) He is a successful salesman. 他是一个成功的推销员。
(2) Failure is the mother of success. 失败是成功之母。
(3) People succeeded in planting many trees in the desert last year. 去年人们成功地在沙漠里种了很多树。
(4) At last, the doctors saved the girl's life successfully. 最终，医生们成功地挽救了这个女孩的生命。
【思考】succeed为 (词性)，意为“”，固定搭配succeed in doing sth意为“成功做某事”。successful为 (词性)，意为“”。success为 (词性)，意为“”。successfully为 (词性)，意为“”。
【运用】用success的正确形式填空。
(1) Yesterday's talent show was a great .
(2) He aims to be a writer.
(3) Try your best to do it and you'll one day.
(4) Tom passed the exam and became a student of that university.
(5) In China, the first woman to in going to space is Liu Yang.

思考：动词；成功；形容词；成功的；名词；成功；副词；成功地
运用：（1）success （2）successful （3）succeed （4）successfully （5）succeed