Ⅴ. Choose the best answer and complete the passage.
Nowadays, more and more families enjoy living in a smart home. It uses modern technology 1 our life easier and safer. I really want to explore such a wonderful house.
In my dream smart home, there is a smart lock on the door. We 2 keys to open it. A smart camera helps protect our house, and 3 alarm will ring if something is wrong. In the bedroom, a smart speaker 4 play soft music when we wake up. The heating system keeps the house warm in winter. In the bathroom, lights turn on by 5 when we walk in.
We can control these smart machines easily. They can also keep our personal information safe. A smart home is not only cool but also very 6. It shows how great technology is and makes our daily life full of fun.
()1. A. to make B. make C. making
()2. A. didn’t need B. doesn’t need C. don’t need
()3. A. a B. an C. the
()4. A. must B. can C. should
()5. A. themselves B. them C. theirs
()6. A. useless B. use C. useful

1. A 2. C 3. B 4. B 5. A 6. C

【分析】
本题是关于智能家居的完形填空，需结合语境、语法规则及固定搭配逐一解题。先通读全文把握大意，再针对每个空分析句子结构、时态、词性等，确定正确选项。
【解析】
1. 考查固定搭配use sth to do sth，意为“用某物做某事”，此处用不定式作目的状语，故选A。
2. 考查一般现在时，主语we是复数，否定句需借助助动词don’t，实义动词need用原形，故选C。
3. 考查冠词，alarm以元音音素开头，泛指“一个警报”，用不定冠词an，故选B。
4. 考查情态动词，此处表示智能音箱“能够”播放音乐，can表能力，符合语境，故选B。
5. 考查反身代词，by oneself是固定搭配，意为“自动地”，主语lights是复数，反身代词用themselves，故选A。
6. 考查形容词，根据语境，智能家居不仅酷而且“有用”，useful符合句意，故选C。
【答案】
1.A 2.C 3.B 4.B 5.A 6.C
【知识点】
非谓语动词、冠词、情态动词
【点评】
本题围绕智能家居话题，考查初中英语核心基础语法，结合语境和固定搭配即可解答，难度适中，适合初中学生巩固相关知识点。
【难度系数】
0.6