No matter how （　）, it’s impossible that he has never lost money.

A:a businessman smart is B:a businessman is smart C:smart is a businessman D:smart a businessman is

PON网络可以使用的测试软件有：()

A:Smart bits multicastIP B:Smart care C:Smart window D:Smart flow

Some robots are ______ to do the same things ______ peoplE.

A:enough smart, as B: enough smart, with C:smart enough, as D: smart enough, for

Some robots are _________ to do the same things ________ peoplE. 　　

A: enough smart; as B: enough smart; with 　　 C: smart enough; as D: smart enough; with

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.

1C  2C  3B  4B

When you attend a big concert, you should wear ______and formal.

A: smart something B: smart anything C: something smart D: anything smart

Selfies(自拍) have become popular because __________ than stopping a stranger to take a photo, but you can take as many pictures as you likE.

A: not only is taking out a smart phone less awkward B: not only taking out a smart phone is less awkward C: not only is taking out a smart phone more awkward D: not only taking out a smart phone is more awward

"Smart" Idioms

Today we take a look at the word “smart”.If someone says you are smart,what do they mean?Is it a good thing or something bad? 16 This is because the word smart has many meanings.

●That smarts!

For example,someone could say you look smart or are dressed smartly.That means they like what you are wearing and your physical appearancE.To use a slang（俚语）expression,they could say,“You look really cool!”But if something smarts,it can be unkind or hurtful,either physically or mentally.If you accidentally trip over a chair and fall down,you might shout,“Ow!That smarts!”Or if a friend says something that hurts your feelings,you can say you are smarting from the hurtful comments. 17

●Smarting

If you are standing too close to a campfire,you could say your eyes are smarting from the smoke of the firE. Here the word “smarting” means a sharp pain. 18 If someone is smart as whip,they are able to think very quickly.

●Street smart and book smart

19 Some people are considered street smart.They may not have a strong education.But they are good at dealing with people and problems in the real worlD.Other people might be book smart.This means they have spent many years in school.But they may not be so smart when dealing with people or real-world problems.

●Don’t get smart with me!

And then there is the definition of smart that means to talk or behave disrespectfully.If you say something disrespectful to your parents,they might say,“Don’t get smart with me!”Here,“smart”means to show a lack of respect by saying something unkinD.In fact,a child who has a smart mouth makes rude comments,not smart ones.This definition of smart can also be used as a verB. 20

A.Do they really mean you are smart?

B.People have different attitude toward being smart.

C.However,different people have different ways of being smart.

D.In fact,maybe that person is no longer you frienD.

E.The answer is not as easy as you might think.

F.But the most common meaning of smart is to be intelligent.

G.If you smart off to the wrong people,they could hit you in the facE.

________, he doesn’t know how to manage people well.

A:Smart as Jack is B:As Jack is smart C:Jack is so smart D:As smart Jack is