题目内容

翻译句子

1.Anna家的花园长满了各种各样的花。Anna’s garden _ _ _ __ all kinds of flowers.

2.你有属于自己的书房吗?Do you have a study __ _ __ _ _ ?

3.这些天我们每个人仍在担心着失踪的飞机。

__ of us is still _ __ the losing plane these days.

4.周末我们邀请他们来共进吃晚饭,好吗?

Shall we ______ them _____ ______ ______ dinner with us at the weekend?

5.她想和她大姐共享一个阳台。 She would like_____ _____ a _____ ______ her _____ sister.

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New Energy (能源) in the Twenty-first Century

Energy from the wind

All over the world, people use wind power. It is a clean source of energy, and there is lots of it. However, if the wind does not blow, there is no wind energy.

Energy from the water

When water moves from a higher place to a lower place, it has the power to make electricity (电). In Brittany, waterpower produces enough energy to power a town of 40, 000 people. Waterpower gives energy without pollution. However, people have to build dams to use this energy, and building dams is very expensive.

Energy from the earth

There is heat in the rocks under the earth. Scientists use the heat to make geothermal energy. San Francisco gets half of the energy it needs from geothermal power. This kind of energy is cheap, but it is only possible in a few places in the world.

Energy from the sun

Solar panels (太阳能电板) on the roofs of houses and buildings can turn energy from the sun into electricity. These panels can create enough energy to heat the whole house during winter. Solar power is clean and plentiful, but when the weather is bad, it can’t produce power.

New __1.___

Advantages (优点) and disadvantages

Wind power

There is a lot. If the wind doesn’t ___2.____, there is no power.

Water power

Without ____3.____. But __4.____ dams is very ___5.____.

Geothermal power

This type of energy is ___6.___, but it is _7.____ in most places in the world.

Solar power

Solar power is_8.___ and__9.____ , but it needs good . _10.____

Eat like a king in the morning, a prince at noon, and a farmer at night. This saying is all about the importance of breakfast. And now scientists can tell us just why it’s so important. According to a study carried out at Imperial College London, UK, skipping the first meal of the day not only means you eat more at lunch, but also that your brain wants to find more unhealthy foods.

The study suggests that there is a special part of our brain called the orbitofrontal cortex (眶额皮层), which plays an important part in making choices about what we eat. It is used for identifying the taste of food, especially when skipping breakfast. It is more likely to target high-calorie foods when you’re on an empty stomach.

Scientists did an experiment on this. Dr Tony Goldstone from Imperial College London, scanned (扫描) the brains of 21 men and women, around the age of 25. On the first day, these people skipped breakfast before the scans. On the second day, they had cereal (谷物), bread and jam as breakfast. After the scan on both days, they had their lunch.

When the volunteers had skipped breakfast, they ate around 20 percent more at lunch, compared with days when they had eaten breakfast. Their brain scans also showed the orbitofrontal cortex was especially responsive to high-calorie foods. “We believe that it identifies the value of foods – how pleasant, how delicious something is,” Goldstone told The Guardian.

1. From Paragraph 1, we learn that _____.

A. scientists found out why eating breakfast is important

B. it’s easy to lose weight without breakfast

C. there’s no need to have good food for supper

D. eating breakfast makes your brain smarter

2. Which of the following is NOT true about the orbitofrontal cortex?

A. It is part of our brain.

B. It tells people to eat breakfast.

C. It decides which food we like.

D. It is active toward high-calorie food.

3. Which is the correct order for the experiment on the first day?

① The volunteers skipped breakfast.

② The volunteers had lunch.

③ The volunteers had a brain scan.

A.①②③ B.③②① C.①③② D.③①②

4.In the experiment, the volunteers without breakfast ate about 20% _____ at lunch.

A. of the usual breakfast

B. more than the usual breakfast

C. of the usual lunch

D. more than the usual lunch

5.Which of the following can be the title for this passage?

A. Breakfast still most important

B. Three meals a day

C. Experiments on breakfast

D. Experiments on lunch

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