By reading the article,we know how in our daily life. A. will we protect the earth B. we can reduce pollution C. should we save water D. we must recycle things 题目和参考答案——青夏教育精英家教网—

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( ) 4. By reading the article,we know how in our daily life.

A. will we protect the earth B. we can reduce pollution

C. should we save water D. we must recycle things

4.B

(宾语从句的语序应该是陈述句语序，所以A、C先排除。句意为“通过读这篇文章，我们知道在日常生活中如何能减少污染”。)

题目来源：2016年启东中学作业本九年级英语下册译林版 > 作业23 Reading(1)

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C (2015 •温州) 阅读理解。(20分)

When you’re not at home,many worries may start to crowd your mind. Did I turn the coffee maker off? Did I lock the door? Are the kids doing their homework or watching television? With a smart home,you can quiet all of these worries.

A smart home is a home with a communication network. This network connects devices (装置) ，such as lights and TV sets,and allows them to be controlled from far away through electrical wiring,mobile phone communication or WiFi over the Internet.

More and more people may start to consider owning a smart home,because it makes life much more convenient. It can help keep your room at a certain temperature. It can record what happens inside the home and send the video to your phone. When you are on vacation abroad,you can use a smart home controller to switch on or off the electricity when necessary. Some smart homes can receive a visitor,allowing him to come in and offering him a drink. They can even feed the cat and water the plants.

Besides,smart homes are easy to fix. Most smart home technology and devices are wireless and can be set up with a minimum of tools,using only the guiding information. When a problem appears,you can deal with it yourself without paying a professional.

However,for homeusers,the smart home technology is far from perfect. It can be rather expensive to own the technology and the devices. Also,because the smart home system (系统) allows its owner to get home information from anywhere,it leaves the home easy to be attacked by hackers (黑客) ，who may secretly use or change the information in the system.

Now,many scientists are excited at the future of smart home technology. Imagine being able to get fashion advice from your mirror,or receive food shopping suggestions from your refrigerator. While there are others who worry that those smart devices will make people lazier and lonelier. Whatever it is,one thing is for sure—smart home technology will change the way we live and work.

() 1. According to the passage,nowadays a smart home can lock the door through.

A. electric lights B. mirror technologies C. mobile phones D. shopping programs

() 2. The third paragraph of the passage is mainly about.

A. the steps to use smart systems B. the prices of smart programs

C. the advantages of a smart home D. the tools for setting up smart devices

() 3. Which of the following is TRUE about a smart home according to the passage?

A.Smart homes can’t help feed pets nowadays.

B.Smart homes cost a lot of money at present.

C.You can’t control your smart home in other countries.

D.It's hard for hackers to get information from smart homes.

() 4. What’s the writer’s opinion according to the passage?

A.People will become less happy in the future.