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¡ªNo£¬I don¡¯t like sports. I often play piano in my free time.

A. a; the B. /; the C. the; a D. the; /

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Have you ever taken photos by using mobile phones with selfie sticks(×ÔÅĸË)? This new invention is a small, useful and cleverly-designed tool.

However, a pair of US artists from New Mexico, Arie Snee and Justin Crowe believe they have invented a better one and they call it ¡°selfie arm¡±. For better or worse, they have taken the world by storm. It makes those people in the pictures seem to be holding hands with a loved one.

The pair say it offers a far better experience than using a straight stick. The selfie arm makes people feel they are not alone when they take photos. It seems that they are together with their friends. They think their invention solves the main problem that the selfie stick has ¡ªpeople look alone while they are taking pictures of themselves with great interests. The product, at present, just an art project and a model, conveniently provides you a welcoming arm. And better yet in the future, it¡¯ll talk in a friendly way and never get angry or upset. The pair say they are fascinated by these new ideas.

The ¡°selfie arm¡± is made of fiberglass(²£Á§ÏËά). It is lightweight and easy-taking.

The project that they work on shows the growing selfie stick phenomenon(ÏÖÏó) directly and the increasing need for narcissism(×ÔÁµ) and Internet agreement.

1.The selfie arm is _____________________.

A. the latest mobile phone B. lightweight and easy-taking

C. cleverly-designed but useless D. a useful digital camera

2.¡°The pair say it offers a far better experience than using a straight stick.¡± Here ¡°it¡± refers to _____.

A. a selfie stick B. a selfie arm C. a hand D. a loved one

3.Aric Snee and Justin Crowe come from _______________.

A. Mexico B. New Zealand C. America D. Not mentioned

4.___________ will make people feel they are alone while taking photos.

A. The storm B. The selfie arm C. The pair D. The selfie stick

5.The passage is mainly talking about _________________.

A. a new kind of fiberglass

B. a pair of artists who are interested in taking photos

C. an invention that can reduce loneliness

D. a cleverly-designed tool for taking photos with mobile phones

1.B 2.B 3.A 4.D 5.D ¡¾½âÎö¡¿±¾ÆªÎÄÕÂÄѶÈÊÊÖУ¬Ö÷Òª½²ÊöÒ»ÖÖеķ¢Ã÷¡ª¡ª×ÔÅĸˣ¬ÒÔ¼°×ÔÅĸ˵ĺô¦¡£ 1.ϸ½ÚÀí½âÌâ¡£¸ù¾ÝIt is lightweight and easy-taking¿ÉÖª£¬ËüºÜÇá±ã£¬¶øÇÒÈÝÒ×Я´ø£¬¹ÊÑ¡B¡£ 2.´ú´ÊÖ¸´úÌâ¡£¸ù¾ÝThe pair say it offers a far better experience ...

Here is an experiment (ʵÑé) to see how ants can organize some clever teamwork.

What¡¯s going on?

You can see one of the best examples of insect teamwork by watching ants. If one ant finds food, it leads others there to eat it too. They follow each other by making long trails. The ants go back and forth collecting food, to take back to their nest (Ѩ). When you move the fruit, the ants will still find it. But, instead of making a new direct route (·Ïß) to the food, they will follow each other through their old trail route.

1.What will happen if one ant finds food?

A. The ant will eat all the food. B. The ant will watch other ants.

C. The ant will lead others to the food. D. The ant will wait until others come.

2.If the fruit is moved to a new position, the ants will ________.

A. rail to find it B. give up looking for it

C. make a new direct route to it D. get to it through the old trail route

3.Which is the correct order to do this experiment?

a. Move the fruit to a new position.

b. Find an ant.

c. Check the fruit an hour later.

d. Put a thin slice of fruit in front of the ant.

A. a-b-c-d B. b-d-c-a C. d-b-c-a D. c-a-d-b

4.What can we learn from this experiment?

A. The experiment is done successfully in the lab.

B. Ants do the experiment to show their team spirit.

C. Careful watching does little help in this experiment.

D. We can find out some facts by doing small experiments.

1.C 2.D 3.B 4.D ¡¾½âÎö¡¿±¾ÌâÄѶÈÊÊÖУ¬Ö÷Ҫͨ¹ýСʵÑéÀ´ËµÃ÷ÂìÒϵÄÍŶӺÏ×÷µÄÁ¦Á¿¡£ 1.¸ù¾ÝIf one ant finds food, it leads others there to eat it too¿ÉÖª£¬¹ÊÑ¡C¡£ 2.¸ù¾ÝWhen you move the fruit, the ants will still find it. But, ...

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