There have always been a lot of commonly believed but false ideas about being fat and doing exercise. Some people believe that they can’t help putting on weight as they get older, while others hold that if they stop exercising, their muscles will turn into fat. Here are some more myths:

I’ll never lose weight--I come from a fat family

Wrong! While we can't change the body type we are born with, we can't blame our genes for making us fat. There's plenty of evidence that fatness runs in families, and the main reason is that they share the same habit of eating too much and exercise too little.

I am fat because I burn calories slowly

Wrong! Fatness is not caused by a slow metabolism(新陳代謝).In fact, although fat people consume more energy than slim people, they also fail to realize how much they eat! Keeping a diary can help you work out your daily food intake mom accurately.

Exercise is boring

Wrong! Anything will become boring if you do it repetitively. The key is to develop a balanced and varied program that's fun as well as progressive. If you enjoy a Sunday walk, take a different mute. If you do yoga, try a Tai chi class. If you like swiping, set yourself a distance or time challenge.

No pain, no gain

Wrong! Exercise is not meant to hurt. Indeed, pain is you body telling you something's wrong, and continuing to exercise could lead to serious injury. You may experience mild discomfort as you begin to exercise regularly, but this is your body adapting to the positive changes in your lifestyle and the aches should disappear relatively quickly. If they don't, rest and seek medical advice.

1.What does the author think about being fat?

A. It is the family genes that make people fat.

B. People are fat because they consume too little energy.

C. A diary of exercise can prevent people from becoming fat.

D. It is the consequence of people's unbalanced lifestyle.

2.According to the author, how can we make exercise mom interesting?

A. By taking varied exercise. B. By choosing simple exercise.

C. By doing regular exercise. D. By sticking to outdoor exercise.

3.What is the author's opinion about "No pain, no gain" in exercising?

A. Keeping lit is essentially a painful experience.

B. Exercise should be stopped if continuous pain is felt.

C. Pain in exercise is a precondition for reaching your goal.

D. Getting used to pain leads to positive changes in your body.

4.What is the purpose of the passage?

A. To declare the importance of keeping lit.

B. To clarify some misconceptions about fatness and exercise.

C. To confirm what has long been believed about keeping fit.

D. To explain some medical facts about being fat and doing exercise.

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刪除：把多余的詞用斜線（＼）劃掉。

修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。

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It seems that electronic devices just keep getting smaller. Scientists in the United States have announced the creation of the first transistor with only two dimensions（二維）.

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Two groups of scientists created these 2D transistors. They report that the transistors are only a few atoms thick.

Usually transistors are made with the element silicon（硅）. Computer processors, memory chips, TV screens and other electronic devices contain billions of silicon-based transistors. But these very small electrical parts have certain limitations.

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“If the layers are very thin, the transistor can become flexible, so it doesn't have to be rigid（堅硬的）, like it would be in a silicon chip. So people can think of applications like wearable electronics, television screens and other things,” said Ioannou.

These new transistors can also carry higher current. They also can move the current much faster than traditional transistors. This is important for high-definition screens.

Dimitris Ioannou says the scientific success could prove very useful in the future. "Now, how good and how useful it will be, it's still in the stage of research, but it certainly is an advance," said Ioannou.

1.Which of the following statements about the newly created transistor is TRUE?

A. They are expected to be used in high-resolution displays.

B. The transistors are made with the element silicon.

C. They are rigid, just like traditional transistors.

D. They have already been put into actual use.

2.What does the underlined sentence in Paragraph 5 mean?

A. The traditional transistors have been changed into two-dimensional ones.

B. Many of the traditional transistors have been improved over the years.

C. The traditional transistor has been developed to its fullest.

D. The traditional transistor has been developed quite well.

3.What is Dimitris Ioannou's attitude towards the creation of the new transistors?

A. Negative. B. Neutral.

C. Indifferent. D. Positive.

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