Câu hỏi:
2 năm trước

Fill in each numbered blank with one suitable word or phrase.

Packet sugar from the supermarket is extracted from (1) _____sugar cane or sugar beet. These (2)____ are mixed with hot water, which dissolves their natural sugar. Sugar is also found in fruits, some of which, such as dates and grapes, (3) ____ very high amounts of sugar. To be a little more (4) ____, sugar should be called sucrose. Sucrose is made up of two substances, glucose, which (5)_____ for instant energy, and fructose, which lasts longer as a source of energy. The sugar in fruit is mainly fructose. So, when we eat fruit, we (6) ____ quite large amounts of natural sugar. Some scientists believe that too much - sugar (7) _____ in sweets, cakes, and biscuits. It is said to be generally bad for the health, although nothing (8) _____ so far. However, it (9) ____ that sugar causes tooth decay. As one expert said that “If other foods damaged our body as much as sugar (10) _____ our teeth, they would be banned immediately.”

Sucrose is made up of two substances, glucose, which (5)_____ for instant energy, and fructose, which lasts longer as a source of energy.

Trả lời bởi giáo viên

Đáp án đúng: d

Cấu trúc bị động thì hiện tại đơn: is/am/are+V_PII

Chủ ngữ số ít (glucose) => sử dụng is

=>  Sucrose is made up of two substances, glucose, which (5) is used for instant energy, and fructose, which lasts longer as a source of energy.

Tạm dịch: Sucrose được tạo thành từ hai chất, glucose, (5) được sử dụng cho năng lượng tức thời và fructose, tồn tại lâu hơn như một nguồn năng lượng.

Hướng dẫn giải:

Cấu trúc bị động thì hiện tại đơn: is/am/are+V_PII

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