Câu hỏi:
19/04/2022 264
The passage mentions "penicillin" as an example of______________.
The passage mentions "penicillin" as an example of______________.
Đáp án chính xác
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Trả lời:
Giải bởi Vietjack
Đáp án B
Thông tin trong bài: "They also enter into a number of mutually beneficial relationships with plants and other organisms. In addition, fungi are the source of many of the most potent antibiotics used in clinical medicine, including penicillllin." (Chúng cũng tham gia vào một số mối quan hệ cùng có lợi với thực vật và các sinh vật khác. Thêm vào đó, nấm là nguồn gốc của nhiều loại kháng sinh có hiệu lực được sử dụng trong y học lâm sàng, bao gồm cả penicillin.)
_ “penicillin" được đề cập như là một ví dụ về công dụng có lợi của nấm
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
You look rather______________. Are you worried about something?
Xem đáp án »
18/04/2022
4,878
Câu 2:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42.
Fungi, of which there are over 100,000 species, including yeasts and other single-celled organisms as well as the common molds and mushrooms, were formerly classified as members of the plant kingdom. However, in reality they are very different from plants and today they are placed in a separate group altogether. The principal reason for this is that none of them possesses chlorophyll, and since they cannot synthesize their own carbohydrates, they obtain their supplies either from the breakdown of dead organic matter or from other living organisms. Furthermore the walls of fungal cells are not made of cellulose, as those of plants are, but of another complex sugar like polymer called chitin, the material from which the hard outer skeletons of shrimps, spiders, and insects are made. The difference between the chemical composition of the cell walls of fungi and those of plants is of enormous importance because it enables the tips of the growing hyphae, the threadlike cells of the fungus, to secrete enzymes that break down the walls of plant cells without having any effect on those of the fungus itself. It is these cellulose-destroying enzymes that enable fungi to attack anything made from wood, wood pulp, cotton, flax, or other plant material.
The destructive power of fungi is impressive. They are a major cause of structural damage to building timbers, a cause of disease in animals and humans, and one of the greatest causes of agricultural losses. Entire crops can be wiped out by fungal attacks both before and after harvesting. Some fungi can grow at +50°C, while others can grow at -5°c, so even food in cold storage may not be completely safe from them. On the other hand, fungi bring about the decomposition of dead organic matter, thus enriching the soil and returning carbon dioxide to the atmosphere. They also enter into a number of mutually beneficial relationships with plants and other organisms. In addition, fungi are the source of many of the most potent antibiotics used in clinical medicine, including penicillin.
What does paragraph 1 mainly discuss?
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42.
Fungi, of which there are over 100,000 species, including yeasts and other single-celled organisms as well as the common molds and mushrooms, were formerly classified as members of the plant kingdom. However, in reality they are very different from plants and today they are placed in a separate group altogether. The principal reason for this is that none of them possesses chlorophyll, and since they cannot synthesize their own carbohydrates, they obtain their supplies either from the breakdown of dead organic matter or from other living organisms. Furthermore the walls of fungal cells are not made of cellulose, as those of plants are, but of another complex sugar like polymer called chitin, the material from which the hard outer skeletons of shrimps, spiders, and insects are made. The difference between the chemical composition of the cell walls of fungi and those of plants is of enormous importance because it enables the tips of the growing hyphae, the threadlike cells of the fungus, to secrete enzymes that break down the walls of plant cells without having any effect on those of the fungus itself. It is these cellulose-destroying enzymes that enable fungi to attack anything made from wood, wood pulp, cotton, flax, or other plant material.
The destructive power of fungi is impressive. They are a major cause of structural damage to building timbers, a cause of disease in animals and humans, and one of the greatest causes of agricultural losses. Entire crops can be wiped out by fungal attacks both before and after harvesting. Some fungi can grow at +50°C, while others can grow at -5°c, so even food in cold storage may not be completely safe from them. On the other hand, fungi bring about the decomposition of dead organic matter, thus enriching the soil and returning carbon dioxide to the atmosphere. They also enter into a number of mutually beneficial relationships with plants and other organisms. In addition, fungi are the source of many of the most potent antibiotics used in clinical medicine, including penicillin.
What does paragraph 1 mainly discuss?
Xem đáp án »
19/04/2022
2,707
Câu 4:
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 26 to 30.
A certain relationship cannot exist without communication. A healthy relationship does not exist without effective communication. (26) ______________effective communication we create the characteristics of healthy relationships, such as trust, openness, and intimacy. We need effective communication to resolve conflicts, solve problems, and make decisions that contribute to the strength of a relationship. While patterns of communication may vary according to our personal style and family and cultural background, being able to (27) ______________our values, opinions, feelings, and dreams is important in any meaningful relationship. Everything we know about ourselves and others can only be processed through some form of communication. Effective communication is a shared responsibility that involves both sending and receiving messages. Strategies for effective communication involve verbal skills, active listening, and the ability to resolve problems or issues.
Communication in relationships is one of the most (28) ______________and strategic activities of human beings. It often takes place at an emotional level as we disclose our likes and dislikes, our opinions and suggestions, and our wants and needs. This intimate form of communication is best done face to face when each person is able to use the full range of verbal and non¬verbal nuances of communication (29) ______________ a message is delivered clearly and received without misunderstandings. We traditionally establish our communication skills by observing and imitating others around us. It is, therefore, important to (30) ______________students with many opportunities to practise effective communication strategies.
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19/04/2022
1,937
Câu 6:
When I went into dining room later, the______________of the dinner were still on the table.
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18/04/2022
1,563
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