三、完形填空。
Dear friends,
Do you want a green life? Let's start with
1
things. Every day, we use many things—milk cartons, plastic bags, paper and more. But most of us throw them away after using once. That's not good
2
the Earth.
Milk cartons are
3
. They have three parts: paper, plastic and metal. We can recycle them in three steps. First, open the carton and wash it. Then press it to make it flat. Finally, put it into the
4
recycling box. After that, the carton will turn into new things—new paper, new bottles or new cans.
5
isn't hard. It's like magic. Let's do it together for our earth!
(
C
)1. A. clever B. big C. small
(
A
)2. A. for B. with C. on
(
A
)3. A. useful B. clever C. difficult
(
C
)4. A. black B. red C. blue
(
B
)5. A. Reusing B. Recycling C. Reducing
解析：
【分析】
做完形填空需先通读全文理解环保主题的大意，再结合语境、固定搭配、生活常识逐一分析每个空：第1题需选修饰日常物品的形容词；第2题考查固定搭配；第3题需判断牛奶盒的属性；第4题结合垃圾桶颜色的常识；第5题需匹配全文核心动作。
【解析】
1. 句意：让我们从______事情开始。结合语境，环保从日常小物品入手，故选C small。
2. 固定搭配：be good for...表示“对……有益”，此处指乱扔物品对地球不好，故选A for。
3. 牛奶盒可回收利用，是有用的物品，故选A useful。
4. 常识：蓝色垃圾桶通常用于放置可回收物，故选C blue。
5. 全文围绕回收牛奶盒展开，此处指回收并不难，故选B Recycling。
【答案】
1.C 2.A 3.A 4.C 5.B
【知识点】
完形填空、固定搭配、词义辨析
【点评】
本题以环保为主题，贴近生活，考查基础词汇、固定搭配及生活常识，题型常规，适合巩固完形填空的基础解题能力。
【难度系数】
0.7
