二、词汇运用
The Amazon rainforest is getting smaller. Trees are cut down and burned. It puts homeless animals at
risk
1
. Some of them even face extinction (灭绝). Trees can also help make the temperature (温度)
drop
2
(降低). Without them, the climate will get worse. Moreover, when heavy rains come, the soil without trees will be washed away easily, leading to natural
disasters
3
(灾害) like mudslides (泥石流). Air
pollution
4
(pollute) from burning trees also brings problems. It causes respiratory (呼吸的)
illness
5
(ill) in local communities.
Now, people are taking action. In
certain
6
(某些) protected areas, cutting down trees is forbidden (禁止). But more action is needed, or the rainforest will disappear one day.
1.
risk
2.
drop
3.
disasters
4.
pollution
5.
illness
6.
certain
解析：
【分析】
本题为词汇运用题，需结合语境、固定搭配及词形变化完成填空。1. 第1空根据固定搭配“at risk”（处于危险中），结合前文“无家可归的动物”的语境，确定填对应词汇；2. 第2空遵循“make sth + 动词原形”结构，结合“降低温度”的语义选动词；3. 第3空需用名词复数表泛指“自然灾害”；4. 第4空需名词作主语，转换pollute的词性；5. 第5空需名词，转换ill的词性；6. 第6空需形容词修饰名词“保护区”，对应“某些”的含义。
【解析】
1. 固定搭配“at risk”意为“处于危险中”，符合“无家可归的动物”的处境，故填risk；2. “make sth do sth”结构中，“降低温度”对应动词原形drop，故填drop；3. “自然灾害”为natural disaster，此处用复数表泛指，故填disasters；4. 此处需名词作主语，pollute的名词形式为pollution，故填pollution；5. 此处需名词，ill的名词形式为illness，“呼吸疾病”符合语境，故填illness；6. 形容词certain意为“某些”，修饰名词areas，故填certain。
【答案】1. risk 2. drop 3. disasters 4. pollution 5. illness 6. certain
【知识点】固定搭配、词形转换、形容词用法
【点评】本题考查基础词汇的运用，涉及固定搭配、词性转换及形容词修饰名词等知识点，注重语境理解，难度适中。
【难度系数】0.6
