题目内容

【题目】 Local workers are going on a strike for the salaries here are low ________ the rates elsewhere.

A. with B. against

C. by D. beside

【答案】B

【解析】

试题分析:句意:工人们打算罢工因为这里的工资率和其他地方相比低。A. with和某人或某物一起, B. against 依靠;对比;映衬, C. by通过 ,D. beside在......的旁边。根据语境得知选B

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【题目】Scientists are learning new things about Antarctica, the coldest place on Earth. For example, the Antarctic ice sheet is shrinking. A new study found that summer ice loss in parts of Antarctica was at its highest level in 1,000 years. The study showed that Antarctic ice was melting mostly from below ice shelves, where the water is warmer than the ice.

Eric Rignot is an earth system expert at the University of California, Irvine. He also works for the American space agency, NASA. There he serves as senior research scientist at NASA’s Jet Propulsion Laboratory, also in California. He says ice melting from below is responsible for 55 percent of the shelf loss from 2003 to 2008. That is a much higher rate than scientists thought earlier.

Professor Rignot and his team used satellite observations, radar and computer models to measure features above the ice to learn what was going on below.

The measurements show differences from one area to the next around the continent. The major ice shelves are called Ross, Filchner and Ronne. They make up two-thirds of Antarctica’s ice shelves. But they are responsible for only 15 percent of the melting ice.

The professor says even small changes, like changes in ocean flow driven by wind, can make a huge difference in the melting of the ice shelf.

Sixty percent of the Earth’s fresh water is held in the huge Antarctic ice sheet. Professor Rignot says the study will help experts predict how the continent reacts to warmer ocean waters and helps to cause rising sea levels around the world. The study was published in the journal Science.

1Whats the main idea of the passage?

A. the Antarctic ice sheet is shrinking

B. the coldest place on earth

C. the major Antarcticas ice shelves

D. the Atlantic Ocean are changing

2How did Eric Rignot and his team do the research?

A. He serves as senior research scientist at NASA’s Jet Propulsion Laboratory.

B. They used satellite observations, radar and computer models to know the things happening below the ice.

C. Small changes, like changes in ocean flow driven by wind, can make a huge difference in the melting of the ice shelf.

D. They melted 55% of the Antarcticas ice to prove their theory is right.

3Which is true of the following statements?

A. Ice melting from below is responsible for 35 percent of the shelf loss from 2003 to 2008.

B. The major ice shelves are called Ross, Filchner and Ronne, which make up one-third of Antarctica’s ice shelves.

C. Sixty percent of the Earth’s fresh water is contained in the huge Antarctic ice sheet.

D. Summer ice loss in Antarctica was at its highest level in 1,000 years.

【题目】A

Most children have heard their parents at one time or another yell "sit up straight!" or "don't slouch!"

In the past, this was usually heard at the dinner table as children ate dinner. But these days, it is also heard around another activity-video games.

Ten-year old Owaish Batliwala, from Mumbai, India, admits he spends three to four hours each day playing games on his tablet computer. His mother Mehzabin became concerned when her son started saying that his neck hurt.

She said, "My son started having neck problems around June or July. The pain slowly spread to his hand and his back. He plays for hours on the iPad and mobile phone. This is what has caused the problem."

Sadia Vanjara is a physical therapist. She says the number of young children with chronic pain in their necks, arms and shoulders is on the rise. Dr. Vanjara says the pain is not from aging, accidents or disease. It is from poor posture, or body position, while playing video games.

"They are not aging, they haven't had an accident, their age is like, under 10, they are not complaining, the blood reports are fine, their x-rays are fine, their MRI's are fine, then where is the culprit(罪魁祸首)? And that is the very common thing that is happening amongst all children and that is smart phones and the gadgets(小电器)."

This is a problem in many parts of the world. But there are more smartphone users in India than anywhere else in the world, except China. Networking equipment company Cisco estimates that the number of smartphone users in India will increase from 140 million today to 651 million by 2020.

19-year old student Nida Jameel says she feels pain in the finger which holds the weight of her smartphone most of the day.

She says she uses her smartphone 24/7. This means 24 hours a day, seven days a week, or all the time.

"As I use phone 24/7 (all day) like, so probably yeah, it was because of the phone, continuous usage and Snapchat, Whatsapp, more and more you know social media coming, so like phone is the center of everything."

Dr. Vanjara says the best treatments for the pain are daily exercises.

"And start stretching it in all the possible directions that you can."

Correct posture can help prevent pain. Dr. Vanjara teaches children how to hold their gadgets correctly. She tells a patient to hold the gadget in front of the face. She says that bending the head down to look at the device, strains the neck and creates an unhealthy bend to the back.

Sadia Vanjara predicts we will see not only physical but psychological and emotional problems resulting from overuse of gadgets.

Experts advise taking breaks from using a computer or other device often. Stand up. Stretch your legs, back, shoulders and arms. And when your work or school work is done, unplug and exercise.

1According to Paragraph 2, when will one hear yells like “sit up straight!”_________?

A. When playing video games B. When sleeping

C. When walking D. When driving

【2】What caused Owaish Batliwala’s neck to hurt___________?

A. Studying too hard

B. The bad body position

C. Playing the iPad and mobile phone for hours

D. His mother’s concern

【3】According to Sadia Vanjara, the pain is from__________?

A. poor posture

B. aging

C. accidents

D. disease

【4】What can we learn from the passage_________?

A. the number of young children with chronic pain in their necks, arms and shoulders is decreasing

B. the culprit is smart phones and the gadgets

C. there are more smartphone users in India than anywhere else in the world

D. the number of smartphone users in India is 651 million

【5】This passage most probably comes from__________.

A. an amusement magazine

B. a news report

C. a travelling booklet

D. a health magazine

【题目】Who hasn't found themselves reaching for the closest food available when they're tired and stressed? More and more research is proving that this isn't all in our mind. Some foods really do lead to a change in our moods (心情).

Carbohydrate (碳水化合物) for calm

This is how some people medicate(治疗) themselves with food — by reaching for cookies or pasta(意大利面食) whenever they're upset. Unfortunately, it doesn't always work. You must eat a meal consisting of 100% carbohydrate, on an empty stomach, to obtain the serotonin (血清素) increase so that you have a good mood.

To get the wishedfor effect, you must not eat anything for four hours and then eat at least 30 grams of straight carbohydrate. Dry cereal (谷类食品), a piece of bread with jam, or a potato should do_the_trick.

Protein (蛋白质) for power

Of course, sometimes we don't need to be calm and sleepy.Sometimes we need a great deal of mental concentration, so this is when it's important to mix protein and carbohydrate. The protein will prevent the tryptophan (色氨酸) from flooding your brain,and the rise in serotonin(血清素) won't occur.

Why dessert makes us happy

Fat and sugar cause the brain to let go endorphins (内啡肽), which send pleasure signals throughout the body. This would be fine, except humans are not particularly good at stopping at one cookie or cake.

You can also satisfy your sweet tooth by choosing fruit for dessert.

Timing your meals for energy

Blood sugar drops after four hours of going without food, causing a decrease(减少) in energy. Eating usually fixes this within 20 to 30 minutes, but don't suppose that eating more will cause a faster increase in energy.

When you eat has as much of an effect on your mood as what you eat. If you regularly go for a long period of time between meals, rethink your schedule and plan ahead.

【1】The underlined phrase do_the_trick in the third paragraph means ________.

A.be extremely smart

B.intend to cheat someone

C.bring about the desired result

D.do something to amuse people

【2】The function of protein is ________.

A.to help you keep calm and sleepy

B.to make you feel energetic

C.to lead you to slowness

D.to increase serotonin in your brain

【3】We can infer from the last two parts that ________.

A.fat and sugar can greatly help people feel happy

B.we humans tend to eat lots of cookies and cakes

C.the more we eat, the faster we will gain energy

D.what we eat is more important than when we eat

【4】The main idea of the passage is ________.

A.eating for a better mood

B.eating to make you calm

C.eating for more protein

D.eating to make us strong

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