Read the passage below and choose one correct answer for each question.
A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.
Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.
Studies estimate that 50%-90% of all reported UFO sightings are identified later. Usually 10%-20% are never identified. Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man-made objects that looked strange. 80%-90% UFOs are identified as one of three different things: astronomical causes (for example: planets, stars, or meteors); aircraft; balloons. 10%-20% of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)
What does the word “figure out” in paragraph 1 mean?

A. observe

B. explain

C. calculate

D. require

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Đáp án đúng: B

Dịch: figure out (v): tìm ra

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1

Read the passage and choose the correct answer for each question
The Stone Age was a period of history which began in approximately two million B.C and lasted until 3,000 B.C. Its named was derived from the stone tools and weapons that modern scientists found. This period was divided into the Paleolithic, Mesolithic and Neolithic Ages. During first period (2,000,000 to 8,000 B.C), the first hatchet and use of fire for heating and cooking were developed. As a result of the Ice Age, which evolved about one million years into the Paleolithic Age, people were forced to seek shelter in caves, wear clothing and developed new tools.
During the Mesolithic Age (8,000 to 6,000 B.C), people made crude pottery and the first fish hooks, took dogs hunting, and developed the bow and arrow, which were used until the fourteenth century A.D.
The Neolithic Age (6,000 to 3,000 B.C) saw humankind domesticating sheep, goats, pigs and cattle, being less nomadic than in previous eras, establishing permanent settlements and creating governments.
With what subject is the passage mainly concerned?

A. The Neolithic Age

B. The Paleolithic Age

C. The Stone Age

D. The Ice Age

Lời giải

Đáp án đúng: C

Thông tin: The Stone Age was a period of history which began in approximately two million B.C and lasted until 3,000 B.C.

Dịch: Thời kỳ đồ đá là một giai đoạn lịch sử bắt đầu vào khoảng hai triệu năm trước Công nguyên và kéo dài cho đến năm 3.000 trước Công nguyên.

Câu 2

According to the passage,watching a lot of TV may ______

A. cause weight problems in children

B. cause children to be more famous

C. cause children to get better grades

D. cause students to study more

Lời giải

Đáp án đúng: A

Thông tin: However, researchers show that too much TV is bad for children. For one thing, there is a link between watching more than four hours of TV a day and being overweight.

Dịch: Tuy nhiên, các nhà nghiên cứu chỉ ra rằng quá nhiều TV có hại cho trẻ em. Có một điều, có mối liên hệ giữa việc xem TV hơn 4 giờ mỗi ngày và tình trạng thừa cân.

Câu 3