I have to go to work by taxi because my car ____ at the garage.

A. will be repaired      B. is repaired  

C. is being repaired     D. has been repaired

 ---Have you handed in your schoolwork yet?

---Yes , I have. I guess it_____ now.

A. has graded       B. is graded      C is being graded     D. is grading

 ---What’s that noise?

---Oh, I forgot to tell you. The new machine____.

A. was tested             B. will be tested  

C. is being tested        D. has been tested

 During the period of recent terrorist activities, people ____ not to touch any unattended bag.

A. had always been warned           B. were always being warned

C. are always warning               D. always warned

 Would you please keep silent? The weather report____ and I want to listen.

A. is broadcast                     B. is being broadcast

 C. has been broadcast          D. had been broadcast

--- Hi, Torry, can I use your computer for a while this afternoon?

--- Sorry, ____.

A. It’s repaired                 B. It has been repaired  

C. It’s being repaired         D. It had been repaired

 It is reported that many a new house _____ at present in the disaster area.

A. are being built    B. were being built   C. was being built   D. is being built

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[1]Doctors say anger can be an extremely damaging, unless you learn how to deal with it. They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer.

       [2]Anger is a normal emotion that we all feel from time to time, some people express anger openly in a calm reasonable way. Others burst with anger, and scream and yell．But other people keep their anger inside. They can not or will not express it．This is called ______________.

       [3]For years many doctors thought that repressing anger was more dangerous to a person’s health than expressing it. They said that when a person is angry, the brain release the same hormones. They speed the heart rate, raise blood pressure, or sugar into the blood, etc. in general the person feels excited and ready to act.

       [4]Some doctors say that both repressing and expressing anger can be dangerous. They believe that those who express anger violently may be likely to develop heart disease, and they believe that those who keep their anger inside may face a greater danger of high blood pressure.

       [5]Doctors say the solution is learning how to deal with anger. They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about. If it is, they say, “Do not express your anger while angry. Wait until your anger has cooled down and you are able to express yourself calmly and reasonably.”

       [6]Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry. They said that laughter is much healthier than anger.

1．What is the best title of the passage? （no more than 10 words．）

2．What does the word “it ” ( Line 3 Para 2 ) refer to? ( no more than 5 words )

3．Please fill in the blank( Line 3 Para 2 )  with proper words to complete the sentence．（no more than 5 words）

4．List the three ways the author mentions people express their anger．（no more than 20 words）

5．According to the doctors, what good way can you get to deal with anger? （no more than 5 words）

Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger and heavier than the devices themselves. University of Missouri(MU) researchers are developing a nuclear energy source that is smaller, lighter and more efficient.

“To provide enough power, we need certain methods with high energy density(密度)”，said Jae Kwon, assistant professor of electrical and computer engineering at MU. “The radioisotope(放射性同位素) battery can provide power density that is much higher than chemical batteries.”

Kwon and his research team have been working on building a small nuclear battery, presently the size and thickness of a penny, intended to power various micro / nanoelectromechanreal systems (M/NEMS). Although nuclear batteries can cause concerns, Kwon said they are safe.

“People hear the word ‘nuclear’ and think of something very dangerous,” he said, “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems.”

His new idea is not only in the battery’s size, but also in its semiconductor(半導(dǎo)體). Kwon’s battery uses a liquid semiconductor rather than a solid semiconductor.

“The key part of using a radioactive battery is that when you harvest the energy, part of the radiation energy can damage the lattice structure(晶體結(jié)構(gòu)) of the solid semiconductor,” Kwon said, “By using a liquid semiconductor, we believe we can minimize that problem.”

Together with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, Kwon is working to build and test the battery. In the future, they hope to increase the battery’s power, shrink its size and try with various other materials. Kwon said that battery could be thinner than the thickness of human hair.

6. Which of the following is true of Jae Kwon?

A. He teaches chemistry at MU.            B. He developed a chemical battery.

C. He is working on a nuclear energy source. 

D. He made a breakthrough in computer engineering.

7. Jae Kwon gave examples in Paragraph 4_________.

A. to show chemical batteries are widely applied.

B. to introduce nuclear batteries can be safely used.

C. to describe a nuclear-powered system.      

D. to introduce various energy sources.

8. Liquid semiconductor is used to _________.

A. get rid of the radioactive waste          

B. test the power of nuclear batteries.

C. decrease the size of nuclear batteries    

D. reduce the damage to lattice structure.

9. According to Jae Kwon, his nuclear battery _______.

A. uses a solid semiconductor                    

B. will soon replace the present ones.

C. could be extremely thin                         

D. has passed the final test.

10. The text is most probably a ________.

A. science news report      B. book review    

C. newspaper ad             D. science fiction story