The term 'virus is derived from the Latin word for poison. Or slime. It was originally applied to lớn the noxious stench emanating from swamps that was thought to lớn cause a variety of diseases in the centuries before microbes were discovered & specifically linked khổng lồ illness. But it was not until almost the over of the nineteenth century that a true virus was proven khổng lồ be the cause of a disease.
Bạn đang xem: Read the following passage and mark the letter a, b, c or d on you answer sheet to indicate the correct answer to each of the questions
The nature of viruses made them impossible to lớn detect for many years even after bacteria had been discovered & studied. Not only are viruses too small khổng lồ be seen with a light microscope, they also cannot be detected through their biological activity, except as it occurs in conjunction with other organisms. In fact, viruses show no traces of biological activity by themselves. Unlike bacteria, they are not living agents in the strictest sense Viruses are very simple pieces of organic material composed only of nucleic acid, either DNA or RNA, enclosed in a coat of protein made up of simple structural units.(Some viruses also contain carbohydrates & lipids.) They are parasites, requiring human, animal, or plant cells to live. The virut replicates by attaching to lớn a cell and injecting its nucleic acid.' once inside the cell, the DNA or RNA that contains the virus' genetic information takes over the cell's biological machinery, và the cell begins to manufacture viral proteins rather than its own.
1. Which of the following is the best title for the passage.
(A) New Developments in Viral Research (B) Exploring the Causes of Disease
(C) DNA: Nature’s Building Block (D) Understanding Viruses
2. Before microbes were discovered It was believed that some diseases were caused by
(A) germ-carrying insects (B) certain strains of bacteria
(C) foul odors released from swamps (D) slimy creatures living near swamps
3. The word "proven" in line 4 is closest meaning khổng lồ which of the following.
(A) Shown (B) Feared (C) Imagined (D) Considered
4. The word nature" in line 6 is closest in meaning lớn which of the following?
(A) Self-sufficiency (B) Shapes (C) Characteristics (D) Speed
5. The author implies that bacteria were investigated earlier than viruses because
(A) bacteria are easier to lớn detect (B) bacteria are harder to eradicate
(C) viruses are extremely poisonous (D) viruses are found only in hot climates
6. All of the following may be components of a vi khuẩn EXCEPT
(A) RNA (B) plant cells (C) carbohydrates (D) a coat of protein
TỪ MỚI BÀI ĐỌC VÀ HỌC TỪ TRÊN MEMRISE
Dưới đây là tổng phù hợp từ mới của bài bác và được bố trí công phu theo tần suất xuất hiện từ trong bài bác từ cao mang lại thấp. Việc bố trí này giúp chúng ta hình dung được nội dung chính nói đến chủ đề gì trải qua các từ tái diễn đó.
Link học trên memrise về bài bác đọc này:https://www.memrise.com/course/5728938/chua-de-phan-doc-toefl-itp-nguyen-duc-mui/258/
2./ BÀI DỊCH3./ ĐÁP ÁNCác chúng ta làm chấm dứt có thể đối chiếu đáp án bên dưới đây. Link: https://docs.google.com/spreadsheets/d/1_Ck
Yw
K9Kb
Qey
L-As
K3w3C-KKF-490T4RLGZb
Th
SCc
Xc/edit#gid=11815941424./ video CHỮA ĐỀ THAM KHẢO(Đang trong quy trình triển khai...)
Read the following passage and mark the letter A, B, C, or D lớn Indicate the correct answer khổng lồ each of the questions from 1 to 5.
The term "virus" is derived from the Latin word for poison or slime. It was originally applied lớn the noxious stench emanating from swamps that was thought khổng lồ cause a variety of diseases in the centuries before microbes were discovered và specifically linked to illness. But it was not until almost the over of the nineteenth century that a true vi khuẩn was proven lớn be the cause of a disease.
The nature of viruses made them impossible to detect for many years even after bacteria had been discovered và studied. Not only are viruses too small to be seen with a light microscope, they also cannot be detected through their biological activity, except as it occurs in conjunction with other organisms. In fact, viruses show no traces of biological activity by themselves. Unlike bacteria, they are not living agents in the strictest sense. Viruses are very simple pieces of organic material composed only of nucleic acid, either DNA or RNA, enclosed in a coat of protein made up of simple structural units. (Some viruses also contain carbohydrates và lipids.) They are parasites, requiring human, animal, or plant cells lớn live. The vi khuẩn replicates by attaching to a cell & injecting its nucleic acid.’ once inside the cell, the DNA or RNA that contains the virus' genetic information takes over the cell's biological machinery, và the cell begins khổng lồ manufacture viral proteins rather than its own.
Question 1. Before microbes were discovered it was believed that some diseases were caused by__________.
A. Germ-carrying insects B. Certain strains of bacteria
C. Foul odors released from swamps D. Slimy creatures living near swamps
Question 2. The word "proven" in the passage is closest meaning to____________.
A. Shown B. Feared C. imagined D. Considered
Question 3. The word "nature” in the passage is closest in meaning to____________.
A. Self-sufficiency B. Shapes C. Characteristics D. Speed
Question 4. The author implies that bacteria were investigated earlier than viruses because____________.
Xem thêm: Book lists really do help you read more, thi thử online
A. Bacteria are easier to lớn detect B. Bacteria are harder khổng lồ eradicate
C. Viruses are extremely poisonous D. Viruses are found only in hot climates
Question 5. All of the following may be components of a vi khuẩn EXCEPT____________.