Read the passage below and choose the letter A, B, C, or D to indicate the correct answer to each Câu.
All creatures need to eat something in order to survive. Fortunately, different species of animals have different things that they eat as food. No matter what a creature eats, the food must have enough calories in it to maintain life. Calories, or the energy stored in the food, provide the fuel animals, including humans, need in order to live and move about in the world. Any creature that does not consume enough food, or in other words enough calories, will starve and die.
The term calorie has a scientific meaning. Calorie is a measure of an amount of energy just like pound is a measure of weight. A calorie is officially defined as the amount of energy it takes to raise the temperature of 1 gram of water by 1 degree Celsius, which is 1. 8 degrees Fahrenheit. The term "calorie" and "Calorie" with a capital C have two different meanings to scientists. The term Calorie (with a capital C) means one kilocalorie, the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius. A kilogram is the same as 1,000 grams and a kilocalorie is 1,000 calories. Food calories are always measured as Calories but average people don't care much about the difference and just use the word calories.Food is composed of proteins, fats and carbohydrates. Nutritionists know that a gram of protein contains 4 Calories, a gram of fat has 9 Calories, and a gram of carbohydrate has 4 Calories.
All food contains calories. When we eat something, it provides energy for our bodies to use when we are active. We even need energy or calories while we are sleeping because, for example, our bodies are still breathing, our heart is pumping, and we continue to digest the food in our stomachs. If a person eats more food and more calories than is used up by activity, the body stores the excess calories in case it might need it later when food might not be available. So a person gains weight due to the extra food and calories. Similarity, if a person consumes fewer calories than are used every day over several weeks and is more active, that person will lose weight.
Calorie is a measure of _______.

A. weight

B. distance

C. energy

D. volume

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Đáp án đúng: C

Thông tin: The term calorie has a scientific meaning. Calorie is a measure of an amount of energy just like pound is a measure of weight.

Dịch: Thuật ngữ calo có một ý nghĩa khoa học. Calo là đơn vị đo một lượng năng lượng giống như pound là đơn vị đo trọng lượng.

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1

How long did the research take?

A. a year and 8 months

B. a year and a half

C. a year and 5 months

D. 1.8 years

Lời giải

Đáp án đúng: B

Thông tin: The researchers spent 18 months conducting the research.

Dịch: Những nhà nghiên cứu đã dành 18 tháng để làm ra bài nghiên cứu.

Câu 2

Read the following passage and mark the letter A, B, c, or D to indicate the correct answer to each of the Câus.
Climate scientists from the University of Sydney in Australia say tourism causes over 8 per cent of greenhouse gasses. They also say that this figure will continue to increase because the tourism industry is growing. Their study looked at the carbon footprint of many different areas of tourism. It studied the CO₂emissions from transport, events, hotels, restaurants and shopping. It even researched the carbon emissions from producing souvenirs. The researchers spent 18 months conducting the research. They included the tourist activities of 189 countries. Researcher Dr Arunima Malik said her team analysed the impact on the environment of over one million businesses involved in tourism.
The researchers said domestic travel was a bigger cause of CO₂ emissions than international or business travel. Air travel was the largest part of tourism's footprint. The researchers said flying would continue to increase global emissions as more people in the world become richer. The countries causing the most harm were the biggest and richest nations. The USA, China, India and Germany had the largest tourism carbon footprints. Their carbon emissions will continue to increase as more of their citizens travel. The researchers encouraged holidaymakers and travelers to try and reduce their carbon footprint when on vacation so their travel causes less harm to the planet.
What is growing that will cause greenhouse gasses to increase?

A. tourism

B. the climate

C. travel to Australia

D. the size of airplanes

Lời giải

Đáp án đúng: A

Thông tin: Climate scientists from the University of Sydney in Australia say tourism causes over 8 per cent of greenhouse gasses. They also say that this figure will continue to increase because the tourism industry is growing.

Dịch: Các nhà khoa học khí hậu từ Đại học Sydney ở Úc cho biết du lịch gây ra hơn 8% khí nhà kính. Họ cũng nói rằng con số này sẽ tiếp tục tăng vì ngành du lịch ngày càng phát triển.

Câu 3