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Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 29 to 33
All living things require energy to do the work necessary for survival and reproduction. But (29) ________ is energy? Energy is simply the ability to do work, where work is done when a force moves an object. Let's consider your own needs for a moment. You need energy to turn on and turn off your computer. You need energy to (30) _____ of bed in the morning. And, yes, you need energy to reproduce. So where does energy come from and how do we use it? On Earth, energy ultimately comes from the sun. Plants use the sun's energy to make sugar. Organisms, in turn, use sugar as a (31) _____ of energy to do work. Plants use energy from sunlight to make sugar and oxygen from carbon dioxide and water. The process by which carbon dioxide and water are (32) _____ to sugar and oxygen using sunlight is referred to as photosynthesis. This is an endergonic reaction, meaning enerov is required by the reaction. Specifically, energy is required to put the carbon dioxide and the water molecules together to form sugar. Sun (33) _____ the energy needed to drive photosynthesis, and some of the energy used to make the sugar is stored in the sugar molecule.
Câu hỏi:(29) ________
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A.
what
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B.
why
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C.
that
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D.
which
Lời giải tham khảo:
Đáp án đúng: A
Giải thích:
A. what: cái gì
B. why: tại sao
C. that: cái mà, người mà
D. which: cái mà
Tạm dịch:
But what is energy? (Nhưng năng lượng là gì?)
→ Chọn đáp án A
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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