You look so tired. Why not turn off your phon...

You look so tired. Why not turn off your phone, ________ the outside world for a little while and completely relax yourself?

A.cut off B.shut off C.put off D.go off

九年级英语单选题中等难度题查看答案及解析

—Why do you look so tired?

—Your room was　　 and I cleaned it all the morning.

A. in size　　 B. out of way　　 C. in a mess　　 D. in colour

九年级英语单项填空中等难度题查看答案及解析

--- Look! Mary is sleeping.

--- Why not ________ the TV and close the door for her?

A.to turn off　　　 B. turn off

C. turned off　 　 D. turning off

九年级英语单项填空中等难度题查看答案及解析

– You have to turn off your mobile phone. This is the class rule.

– ______　

A. OK. Thank you for letting me know.

B. Yes, I’ll take your advice.

C. I couldn’t agree with you more.

D. Sorry, I didn’t hear that.

九年级英语单项填空中等难度题查看答案及解析

You look so tired. Why ____________ to have a rest ?

A. not to stop　　 B. don't stop

C. not stop　　 D. not you stop

九年级英语单选题简单题查看答案及解析

You look so tired. Why not 　　　　 some music?

A. to stop to listen to　　 B. to stop listening to

C. stop to listen to　　 D. stop listening to

九年级英语单选题困难题查看答案及解析

—What are you doing, Lisa? Why not turn off the light? It’s time to sleep.

—I want to read for a while.

A.put off B.take off C.switch off

九年级英语单选题中等难度题查看答案及解析

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 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)allow 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 costs 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.

B.People’s life style will be different in the future.

C.Mobile phones are the most important in smart homes.

D.Smart homes are much better than other smart systems.

九年级英语阅读理解中等难度题查看答案及解析

Our plane will　　 . All the passengers, please　　 your mobile phones.

A. take off; turn off　　　 B. turn off; take off

C. take off; take off　　　 D. turn off; turn off

九年级英语单项填空简单题查看答案及解析

－Why do you look so tired? －The noise upstairs made me 　　　　　 the whole night.

A. to make　　　　　　　　 B. wake　　　　　　　　 C. waking　　　　　　 D. awake

九年级英语单项填空简单题查看答案及解析