A 语法填空。(根据教材 P96 及 P97 改编)
At school, we have Bird Week to study different 1. (bird). Some students got lovely penguins, 2. Henry had to write about pigeons. At first, he disliked them very much.
On the second day, Henry watched pigeons in the park. He thought they were 3. (bore) and dirty, because they wandered aimlessly and made a mess here and there. When a girl fed them, the flying pigeons even made him feel 4. (scary).
Later, Henry looked up information online. He was surprised 5. (learn) that pigeons are smart enough to recognise themselves in 6. (mirror). He went back to the park and saw 7. pigeon looking at its reflection in the water.
He also found there are more than 200 kinds 8. pigeons. Some can fly thousands of kilometres without getting 9. (lose) and fly as fast as a car.
In the end, Henry changed his mind. Pigeons are not boring at all. They are 10. (amaze) little birds.

1. birds 2. but 3. boring 4. scared 5. to learn 6. mirrors 7. a 8. of 9. lost 10. amazing

【分析】做语法填空时，需先通读全文把握语境，再结合每个空格的语法结构、词性变化、固定搭配及上下文逻辑确定答案。具体思路：1. 空格前有different，需用可数名词复数；2. 前后分句语义转折，需用转折连词；3. 修饰事物（鸽子）的特征，用-ing形式形容词；4. feel后接表感受的-ed形式形容词；5. 固定搭配be surprised to do sth；6. 此处指镜子这类事物，用可数名词复数；7. 泛指“一只鸽子”，用不定冠词；8. 固定搭配kinds of；9. 固定搭配get lost；10. 修饰名词birds，用-ing形式形容词。
【解析】1. different后接可数名词复数，故填birds；2. 前后句为转折关系，用并列连词but；3. 修饰事物（鸽子）的属性，用-ing形容词boring；4. feel后需接表人的感受的形容词，故填scared；5. 固定搭配be surprised to do sth，故填to learn；6. 此处泛指镜子，用复数形式mirrors；7. 泛指“一只鸽子”，用不定冠词a；8. 固定搭配kinds of，故填of；9. 固定搭配get lost（迷路），故填lost；10. 修饰名词birds，用-ing形容词amazing。
【答案】1. birds 2. but 3. boring 4. scared 5. to learn 6. mirrors 7. a 8. of 9. lost 10. amazing
【知识点】名词单复数、形容词用法、固定搭配
【点评】本题为基础语法填空题，考查了名词复数、连词、形容词（ing/ed形式）、冠词及固定搭配等知识点，需结合语境和语法规则作答，难度适中。
【难度系数】0.6

B 选词填空。(根据教材P99改编)
put look for engineer beaver wolf
We set a special camera like a real beaver by the river. Now we are watching wild 1. .
One beaver is cutting a tree with its sharp teeth, while two others are 2. sticks into the river. They are building a pool to make their home. The water pool can keep them safe from 3. and bears.
After finishing their work, two beavers are swimming in the pool. Another one is 4. food nearby. Beavers are hard-working and smart. They are truly great 5. of nature.

1. beavers 2. putting 3. wolves 4. looking for 5. engineers

【分析】
本题为选词填空，需结合语境、时态、名词单复数及单词词义选择合适的词并调整形式。首先明确给出的单词：put、look for、engineer、beaver、wolf，再逐个分析每个空的语境与语法要求：
1. 第一空需填野生的动物类名词，beaver（河狸）符合，表泛指用复数；
2. 第二空为现在进行时结构（be+doing），put需变现在分词；
3. 第三空与bears并列，wolf的复数形式符合天敌语境；
4. 第四空为现在进行时，look for变现在分词表“寻找”；
5. 第五空主语为复数，engineer需用复数表“工程师”。
【解析】
1. 第一空：句意为“观看野生河狸”，beaver是可数名词，表泛指一类用复数beavers；
2. 第二空：句子为现在进行时，结构为“be+现在分词”，put的现在分词是putting，put...into表示“把...放进”，符合“把树枝放进河里”的语境；
3. 第三空：and连接并列名词，bears是复数，wolf的复数形式为wolves，结合“躲避狼和熊”的天敌语境，填wolves；
4. 第四空：现在进行时需用现在分词，look for的现在分词是looking for，表“寻找食物”，符合语境；
5. 第五空：主语they指代河狸，engineer是可数名词，表复数概念用engineers，“自然的工程师”符合语境。
【答案】
1. beavers 2. putting 3. wolves 4. looking for 5. engineers
【知识点】
选词填空、现在进行时、名词单复数
【点评】
本题为基础选词填空题，考查单词词义、形式变化及语境理解，难度适中，适合巩固基础词汇与语法。
【难度系数】
0.6

C 选词填空。(根据教材 P104 及 P105 改编)
danger hunt cut teach museum
thousand live human friend peaceful
The dodo is well-known for its role in Alice’s Adventures in Wonderland. But long ago,
1. of real dodos once lived on earth.
Now, people can only see them in 2. ,
because they have completely died out.
Dodos used to live 3. on an island
in the Indian Ocean. There was enough food,
and they lived safely with 4. local
animals. Life was easy and comfortable for them.
Everything changed after 5. arrived
in 1598. People 6. down forests and
destroyed their homes. Since dodos were slow
and unable to fly, they were easy 7. .
Besides, people’s pigs, cats and dogs ate dodo
eggs.
These 8. led to the quick
disappearance(消失) of dodos. Their sad story
9. us a serious lesson. We should
protect wild animals and their 10.
places. Let no more lovely animals disappear
forever like dodos.

1. thousands 2. museums 3. peacefully 4. friendly 5. humans 6. cut 7. to hunt 8. dangers 9. teaches 10. living

【分析】首先通读全文，明确文章围绕渡渡鸟灭绝的主题展开，需结合每个空的语境、语法要求及给定单词，进行词形变化（如名词复数、形容词变副词、动词时态等）后选词填空，同时注意固定搭配的运用。
【解析】1. 固定搭配“thousands of”表示“成千上万的”，故填thousands；2. 句意为“现在人们只能在博物馆看到它们”，museum为可数名词，此处用复数形式museums；3. 修饰动词live需用副词，peaceful的副词形式为peacefully；4. 修饰名词animals需用形容词，friend的形容词形式为friendly；5. 句意为“1598年人类到达”，human指人类群体，用复数humans；6. 固定搭配“cut down”表示“砍倒”，此处为过去式，cut的过去式仍为cut；7. 固定结构“be easy to do sth”表示“容易做某事”，故填to hunt；8. 句意为“这些危险导致渡渡鸟快速消失”，danger此处为可数名词，用复数dangers；9. 主语story为单数第三人称，一般现在时中动词teach用第三人称单数形式teaches；10. 修饰名词places需用形容词，live的形容词形式为living，意为“生存的”。
【答案】1. thousands 2. museums 3. peacefully 4. friendly 5. humans 6. cut 7. to hunt 8. dangers 9. teaches 10. living
【知识点】词汇词形变化、固定搭配运用、语境选词填空
【点评】本题为选词填空题型，以渡渡鸟灭绝为背景，考查学生对词汇的词形转换、固定搭配及语境理解能力，需结合语法规则和上下文逻辑完成填空，难度适中。
【难度系数】0.6