七、阅读短文,在空白处填入一个适当的单词或括号内单词的正确形式(共10小题;每小题1分,满分10分)
Blue whales are the 71.
largest
(large) animals in the world. They can be as heavy as many cars! These whales live in the ocean and feed on the sea animals called krill(磷虾).
Now, many blue whales are 72.
in
great danger. Some people make their ocean home dirty and others hunt them for their meat. Another big problem for blue whales 73.
is
(be) that the earth is getting warmer.
74.
When/As
the ocean water gets warmer, the krill move to cooler places. So it is hard for blue whales to find enough food.
75.
Luckily
(luck), some good things are happening too. People are helping blue whales. Governments are working hard to make special places in the ocean where blue whales can be safe. Scientists are also studying blue whales 76.
to learn
(learn) more about them and how to protect them.
And we teenagers can do something to help blue whales. We shouldn't 77.
throw
(throw) litter like glass bottles or food waste into the ocean. We can also take part in beach 78.
activities
(activity) to make the ocean a better place for blue whales to live in. We can try to use less energy to keep 79.
the
earth cool. Don't forget to tell others how important it is to protect these big, 80.
friendly
(friend) whales. Together, we will carry them safely into the future.
解析：
【分析】本题为英语短文填空题，需结合语境、语法规则、固定搭配等确定每个空的答案。解题思路：1. 通读全文，理解短文关于蓝鲸保护的主旨；2. 逐个分析每个空的考点，如形容词最高级、固定搭配、be动词单复数、连词、副词、非谓语动词、情态动词用法、名词复数、定冠词、形容词作定语等；3. 依据考点规则填写正确形式。
【解析】
71. 句中出现范围“in the world”，形容词需用最高级，large的最高级为largest，故填largest。
72. 固定搭配“in great danger”表示“处于极大危险中”，符合语境，故填in。
73. 主语“Another big problem”为单数，时态为一般现在时，be动词用is，故填is。
74. 此处引导时间状语从句，表“当……时”，可用When或As，故填When/As。
75. 需修饰整个句子，用副词形式，luck的副词为Luckily，故填Luckily。
76. 此处表目的，用不定式作目的状语，故填to learn。
77. 情态动词shouldn't后接动词原形，故填throw。
78. beach activity为可数名词，此处表各类海滩活动，用复数形式，故填activities。
79. 独一无二的事物“earth”前需加定冠词the，故填the。
80. 修饰名词whales，需用形容词，friend的形容词为friendly，故填friendly。
【答案】71. largest 72. in 73. is 74. When/As 75. Luckily 76. to learn 77. throw 78. activities 79. the 80. friendly
【知识点】形容词最高级、固定搭配、非谓语动词
【点评】本题综合考查初中英语基础语法与词汇运用，涵盖形容词变形、固定短语、非谓语等核心考点，需结合语境分析，难度适中，能有效考查学生的英语综合运用能力。
【难度系数】0.7
