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Ⅰ. Listen and tick the correct unstressed words you hear.
1. Welcome back to A Fine Balance.
A B C
2. I’m not proud of cutting down trees.
A B C
3. It’s the only skill that I have.
A B C
1. Welcome back to A Fine Balance.
A B C
2. I’m not proud of cutting down trees.
A B C
3. It’s the only skill that I have.
A B C
答案
1. B C 2. A B 3. A B
Ⅱ. Listen and answer the questions.
(
A. They can make the air fresh.
B. They can grow rice for people.
C. They can make dirty water clean.
(
A. To raise fish. B. To grow food. C. To build houses.
(
A. Half of them. B. One third of them. C. Most of them.
4. What can you do to protect the wetland?
(
C
)1. What can wetlands do for people?A. They can make the air fresh.
B. They can grow rice for people.
C. They can make dirty water clean.
(
B
)2. Why do farmers take water from wetlands?A. To raise fish. B. To grow food. C. To build houses.
(
A
)3. What proportion(比例) of the world’s wetlands have disappeared in the last 50 years?A. Half of them. B. One third of them. C. Most of them.
4. What can you do to protect the wetland?
One possible version: Don’t take water from the wetland.
答案
1. C 2. B 3. A 4. One possible version: Don’t take water from the wetland.
Ⅲ. Complete the passage with the proper form of the words and expressions in the box.
invent use alarm because be against do great harm to
Hi, I'm Topher, a young inventor from the United States. Logging in rainforests 1.
invent use alarm because be against do great harm to
Hi, I'm Topher, a young inventor from the United States. Logging in rainforests 1.
is against
the law. However, it's hard to notice 2. because
sounds from animals can be louder than chainsaws. Also, logging 3. does great harm to
the environment. So I created a small 4. invention
. I put it on trees. It uses an old phone, a solar panel and a microphone. When it hears the sound, it sends an 5. alarm
. Then forest guards stop the logging. I'm so happy to know that it is now 6. used
in many countries and has saved over 2,500 square kilometres of rainforests.答案
1. is against 2. because 3. does great harm to 4. invention 5. alarm 6. used
解析
【分析】
首先通读全文，理解文章是关于发明家Topher发明装置阻止雨林伐木的内容。结合每个空格的语境、语法规则及方框内词汇，逐个分析：
1. 第一空：主语是动名词Logging（伐木），需填谓语短语，结合“违反法律”的语境，选用be against，动名词作主语时一般现在时be动词用is；
2. 第二空：前后句为因果关系，前果后因，需填连词表原因；
3. 第三空：需填谓语短语，结合“对环境有害”的语境，选用do great harm to，主语单数，一般现在时动词用does；
4. 第四空：空前有a small，需填名词，方框内invent的名词形式为invention（发明物）；
5. 第五空：装置听到声音后发送警报，需填名词alarm；
6. 第六空：主语it指代发明，与use是被动关系，需用use的过去分词构成被动语态。
【解析】
1. 主语Logging为动名词（单数），结合“违反法律”的语境，选用短语be against，一般现在时be动词用is，故填is against；
2. 前后句为因果逻辑，前半句说明难察觉，后半句解释原因，需填连词because；
3. 结合“伐木对环境有害”的语境，选用短语do great harm to，主语单数，一般现在时动词用does，故填does great harm to；
4. 空前有不定冠词a和形容词small，需填名词，方框内invent的名词形式为invention，符合“创造小发明”的语境，故填invention；
5. 结合“听到声音后发送警报”的语境，选用名词alarm，故填alarm；
6. 主语it指代前文的发明，与动词use为被动关系，需用被动语态（be+过去分词），故填use的过去分词used。
【答案】
1. is against 2. because 3. does great harm to 4. invention 5. alarm 6. used
【知识点】
词汇运用、动词形式、连词用法
【点评】
本题为英语选词填空题，考查学生对词汇词义、词性及形式变化的掌握，需结合语境、语法知识（主谓一致、被动语态、词性转换）解题，难度适中。
【难度系数】
0.7
首先通读全文，理解文章是关于发明家Topher发明装置阻止雨林伐木的内容。结合每个空格的语境、语法规则及方框内词汇，逐个分析：
1. 第一空：主语是动名词Logging（伐木），需填谓语短语，结合“违反法律”的语境，选用be against，动名词作主语时一般现在时be动词用is；
2. 第二空：前后句为因果关系，前果后因，需填连词表原因；
3. 第三空：需填谓语短语，结合“对环境有害”的语境，选用do great harm to，主语单数，一般现在时动词用does；
4. 第四空：空前有a small，需填名词，方框内invent的名词形式为invention（发明物）；
5. 第五空：装置听到声音后发送警报，需填名词alarm；
6. 第六空：主语it指代发明，与use是被动关系，需用use的过去分词构成被动语态。
【解析】
1. 主语Logging为动名词（单数），结合“违反法律”的语境，选用短语be against，一般现在时be动词用is，故填is against；
2. 前后句为因果逻辑，前半句说明难察觉，后半句解释原因，需填连词because；
3. 结合“伐木对环境有害”的语境，选用短语do great harm to，主语单数，一般现在时动词用does，故填does great harm to；
4. 空前有不定冠词a和形容词small，需填名词，方框内invent的名词形式为invention，符合“创造小发明”的语境，故填invention；
5. 结合“听到声音后发送警报”的语境，选用名词alarm，故填alarm；
6. 主语it指代前文的发明，与动词use为被动关系，需用被动语态（be+过去分词），故填use的过去分词used。
【答案】
1. is against 2. because 3. does great harm to 4. invention 5. alarm 6. used
【知识点】
词汇运用、动词形式、连词用法
【点评】
本题为英语选词填空题，考查学生对词汇词义、词性及形式变化的掌握，需结合语境、语法知识（主谓一致、被动语态、词性转换）解题，难度适中。
【难度系数】
0.7
