Java提供了一个关键字( ),可以判断一个对象是否为某个类(或接口)的实例或者子类实例。

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—Do you know a has just opened in our neighborhood？—Sure, I’ve enjoyed delicious food there.A．librar

The of this house is very high. He can’t afford it at all.A．colorB．price C．sizeD．room

—What kind of house would you like？ ,—I’d like __________with a garden in front of__________.A．It, o

The whole class did a good job,and ________ made a mistake.A． neither B．either C．None

–What kind of shows do you like, talk show or soap operas？– . I like sports show.A．NeitherB．EitherC．

Our teachers always tell us on the road because it’s really dangerous.A．to play notB．not to playC．no

Sally has a beautiful ________. Listen! She is singing very well.A. accent B. noiseC. voice

Our teachers always tell us on the road because it’s really dangerous.A．to play notB．not to playC．no

The song I believe I can fly tells us that believing inis very important.A．themselvesB．itselfC．ourse

—Here are two apples, but you can only eat either of them.—But can I have some bananas, Mum？A．anothe

Sally has a beautiful ________. Listen! She is singing very well.A. accent B. noiseC. voice

Mr. Yang wrote a_________story. Most of us enjoyed it a lot.A. two－thousand－wordsB. two－thousand－wor

Tom is very short . So he sits _____the classroom .A．in frontB．in front of .C．in the front ofD．front

－Excuse me ,could you apeak a little more？－Sorry,I thought you could follow me.A．sadlyB．quicklyC．pol

The of this house is very high. He can’t afford it at all.A．colorB．price C．sizeD．room

— ______ do you go to the gym？— Twice a weekA．How oftenB．How soonC．How manyD．How long

Hi! Tony. Your mother is waiting _____the bus stop .A．forB．atC．onD．to

–What kind of shows do you like, talk show or soap operas？– . I like sports show.A．NeitherB．EitherC．

Our teachers always tell us on the road because it’s really dangerous.A．to play notB．not to playC．no

—Not only the young but also the old are getting interested _____ WeChat (微信).—They can communicat

we deal with our problems, we can easily become unhappy.A．UntilB．BecauseC．UnlessD．If

－How do yo u like the two pairs of shorts？－They don’t fit me well.They aretoo longtoo short.A．not on

—What can you see in my hand, Tony？—I can see a book. ______ book is green.A. A B. An C. The

A ship from South Korea sank into the sea April 16,2014.A．inB．onC．atD．for

－ _____was the weather like there yesterday ？ – It rainy .A．How , wasB．What , wasC．How , isD．What ,

If you like the chicken，you may have__________you can.A．more thanB．as much asC．as many asD．so many a

[m？nθ]A. mouth B. march C. month

In our life, we can work hard on one task 　　　, and then another. In this way, all your dreams can be

—Why is she suitable to get the job？—Because she is good with kids.A is good for.B is good to.C. get

we deal with our problems, we can easily become unhappy.A．UntilB．BecauseC．UnlessD．If

There is a policeman _____ the bus. He is watching the traffic.A．in front ofB．in the front ofC．in th

Let’s go for a picnic ___________ Sunday morning.A. in B. on C. at

Sorry, Madam.You’d better come tomorrow because it’s_______the visiting hours.A．duringB．atC．beyondD．

Mo Yan is one of the ______ writers in the world now.A. famousB. more famousC. most famous

Tom is very short . So he sits _____the classroom .A．in frontB．in front of .C．in the front ofD．front