五、短文填空
Humans share the earth with many different kinds of wildlife. However, many of the animals may not be around for much $\underline{1}$ (long). According to a recent report, 1 million of earth's 8 million species(物种) are in $\underline{2}$ (dangerous).
Humans are $\underline{3}$ (main) responsible for(对……负责) it. Humans have used over one $\underline{4}$ (three) of the world's land and 75% of fresh water $\underline{5}$ grow crops and keep animals. As a result, there are smaller living areas and less food $\underline{6}$ wild animals.
It's $\underline{7}$ shame that about 300 kinds of animals are dying out because humans eat them. The challenge(挑战) we face is to find ways to meet the needs of our growing population while $\underline{8}$ (protect) the environment.
To solve(解决) the problem, many countries are taking $\underline{9}$ (act). For example, China has stopped the use of rhino horn(角), tiger bones and ivory. There are things that we can do to save the animals. Remember if we do nothing for animals, there will surely be none $\underline{10}$ (leave).
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. longer 2. danger 3. mainly 4. third 5. to 6. for 7. a 8. protecting 9. action 10. left

【分析】
本题为英语短文填空题，围绕野生动物保护主题，主要考查词性转换、固定搭配、非谓语动词等基础语法知识。解题时需结合语境和语法规则逐一分析每个空：1. 需用比较级构成固定搭配；2. 考查固定介词短语；3. 需用副词修饰形容词；4. 考查分数表达；5. 需用不定式表目的；6. 考查介词用法；7. 考查固定句型；8. 需用动名词构成省略结构；9. 考查固定动词短语；10. 需用过去分词作后置定语。
【解析】
1. 固定搭配not...much longer（不再更久），much修饰比较级，故填longer；
2. 固定短语in danger（处于危险中），故填danger；
3. 修饰形容词responsible需用副词，main的副词形式为mainly，故填mainly；
4. 分数“三分之一”的表达为one third，故填third；
5. use sth to do sth结构中，不定式表目的，故填to；
6. 表示“对于野生动物来说”用介词for，故填for；
7. 固定句型It's a shame that...（遗憾的是……），故填a；
8. while引导时间状语从句，省略主语和be动词，后接动名词，故填protecting；
9. 固定短语take action（采取行动），故填action；
10. 过去分词left作后置定语修饰none，表“剩下的”，故填left。
【答案】
1. longer 2. danger 3. mainly 4. third 5. to 6. for 7. a 8. protecting 9. action 10. left
【知识点】
词性转换、固定搭配、非谓语动词
【点评】
本题考查初中英语核心基础语法与常用短语，主题贴近环保，难度适中，需熟练掌握常见搭配及词性变化规则。
【难度系数】
0.6