Which of the following could best describe the main idea of the passage?
A. Different types of hackers.
Đáp án C
Giải thích:
Ý nào sau đây có thể diễn tả đúng nhất ý chính của đoạn văn?
A. Các loại tin tặc khác nhau.
B. Cách mà tin tặc truy cập vào máy tính.
C. Bảo mật máy tính và tin tặc.
D. Những thứ mà một hacker có thể hủy hoại trong máy tính của bạn.
Thông tin:
- As computer use becomes more common, the need for security is more important than ever. One of the greatest security threats in the online world is computer hacking.
- Hackers are people who illegally enter systems.
- The easiest way to protect a system is with a good password.
Tạm dịch:
- Khi việc sử dụng máy tính ngày càng phổ biến, nhu cầu bảo mật càng quan trọng hơn bao giờ hết. Một trong những mối đe dọa an ninh mạng lớn nhất trong thế giới trực tuyến là việc đánh cắp dữ liệu máy tính.
- Tin tặc là những người xâm nhập bất hợp pháp vào hệ thống.
- Cách dễ nhất để bảo vệ hệ thống là sử dụng một mật khẩu tốt.
Chọn C.
Information on events occurring in the theater _________ the year is available through our website.
Mrs. John: "How about a small present for little Jimmy after his performance?”
Mr Kelly: “_________________”
Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best fits each other numbered blanks.
Trees protect the soil beneath them; thus, tree loss can affect soil integrity. For example, the rain forest floor, home to numerous plant life as well as insects, worms, reptiles and amphibians, and small mammals, relies on a dense covering of branches and leaves to keep it healthy and intact. The canopy of leaves prevents surface runoff by (4) ________ heavy rainfall, so that water can drip down slowly onto the porous earth. Tree roots also stabilize the soil and help prevent erosion. In return, a healthy soil encourages root development and microbial activity, (5) ________ contribute to tree growth and wellbeing. A major factor in cutting forest -related soil damage comes (6) ________ road building, with trucks and other heavy equipment compressing the soft soil, creating furrows where water collects, and disrupting the underground water flow. Eventually, the topsoil erodes, leaving behind (7) ________ infertile layer of rocks and hard clay.
Logging can also damage aquatic habitats. Vegetation along rivers and stream banks helps maintain a steady water flow by blocking the entry of soil and other residue, and trees shade inhibits the growth of algae. Removing trees (8) ________ these benefits. When eroding soil flows into waterways, the organic matter within it consumes more oxygen, which can lead to oxygen depletion in the water, killing fish and other aquatic wildlife.
Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions.
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
Higher education is very importance to national economies, and it is also a source of trained and educated personnel for the whole country.
According to paragraph 2, which information is NOT true about protocols?
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
We are working, that means that we are contributing goods and services to our society.
We are not surprised that Mrs. Anna is ill. With all the voluntary work she's _________, she's really been doing too much.