- is the apple? - It's red. [ ]A. Where B. What C. What colour D. How many 题目和参考答案——青夏教育精英家教网—

题目内容

—________ is the apple?
— It's red.

[ ]

A. Where
B. What
C. What colour
D. How many

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—Hi, Tom. Could you help me cut up the meat for dumplings?
—OK, Mom. But where is the ______?

The coldest and most difficult place in the world in which to live is Antarctica. Antarctica is the land of snow and ice near the South Pole. Most people do not think there is much life in the icy waters around it. They are wrong.

Antarctica's seas are full of life. There are many kinds of fishes, water birds, seals and whales. They eat the thick plant life in the sea and the smaller water animals. Some whales, for example, eat more than a ton of food every day.

The most famous animal of Antarctica is the penguin. It struts around the icy as if it were a movie star walking down the street.

1.The best title is ____________.

A. Thick Plant Life B. Life Around Antarctica

C. Tons of Food D. Penguins

2.The most famous animal of Antarctica is the ____________.

A. whale B. seal C. penguin D. fox

3.Antarctica has ____________.

A. much ice B. warm weather C. flocks of geese D. warm water

4.Around Antarctica there ____________.

A. are many people B. is little plant life C. are many animals D. is little snow

5.The word “struts” in the last paragraph means____________.

A. swims gracefully B. walks proudly C. runs swiftly D. jumps happily

September 10^th is the ________.

A. Children’s Day B. Children Day

B. Teachers’ Day D. Teacher’s Day

---Hi, Tina. Could you help me cut up the meat for dumplings?

---Sure, Mom. But where is the _______?

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When the traffic lights turn red, we will stop driving a car or crossing a street. Why is red used for traffic lights instead of other colors?

As we know, scattering (散射) happens when light goes through the air. For the same media(媒质), if the wavelength is long, the scattering will be short. If the wavelength is short, then the scattering will be long.

Of all lights we can see red has the longest wavelength, so the scattering is the weakest. That means the red light travels far. In fact, it travels farther on rainy days.

Using the red light can help drivers in farther areas sec the lights. It helps drivers stow down or stop in lime. If drivers don't see the red light until they are close, they may not be able to stop the car in time. An accident may happen Red can also excite people. We can act more quickly when we see the color red. In a word, red lights help drivers stop in time and help prevent accidents.

1. When the traffic lights turn ______, we will stop driving a car.

A. red B green C. yellow

2.According to the passage, the scattering of the red light is the _______.

A. longest b. weakest C. farthest

3. The underlined word "wavelength" means________ in Chinese.

A.波浪 B.光波 C.波长

4. What can the red light help drivers do?

A. It can help drivers in farther areas see the lights.

b. It can help drivers slow down or stop in time.

C. A and b

5.Which of the following is the best title?

A. Why do accidents happen

b. How does the red light travel

C. Why do we use red traffic lights

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