题干

海洋是人类最后一块净土,海洋产业布局应按照更长远的设计规划,把发展经济与环境保护统筹考虑,不能将发展陆地经济的模式照搬到海洋之中。为此要( )
①坚持发展的观点     ②重视量的积累
③具体问题具体分析   ④坚持前进性和曲折性的统一

A:①② 

B:①③  

C:②④  

D:③④

上一题 下一题 0.0难度 选择题 更新时间:2019-09-02 03:05:26

答案(点此获取答案解析)

B

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阅读理解

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? With a smart home, you can keep all of these worries off.

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 home-users, 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.