Câu hỏi:
29/06/2023 3,193
Read the passages below and choose the best answer from the four options marked A, B, C or D.
Several hundred million years ago, plants similar to modern ferns covered vast stretches of the land. Some were as large as trees, with giant fronds bunched at the top of trunks as straight as pillars. Others were the size of bushes and formed thickets of undergrowth. Still others lived in the shade of giant club mosses and horsetails along the edges of swampy lagoons where giant amphibians swan.
A great number of these plants were true ferns, reproducing themselves without fruits or seeds. Others had only the appearance of ferns. Their leaves had organs of sexual reproduction and produced seeds. Although their “flowers” did not have corollas, these false ferns (today completely extinct) ushered in the era of flowering plants. Traces of these flora of the earliest times have been preserved in the form of fossils. Such traces are most commonly found in shale and sandstone rocks wedged between coal beds.
Today only tropical forests bear living proof of the ancient greatness of ferns. The species that grow there are no longer those of the Carboniferous period, but their variety and vast numbers, and the great size of some, remind us of the time when ferns ruled the plant kingdom.
What does the passage mainly discuss?
Read the passages below and choose the best answer from the four options marked A, B, C or D.
Several hundred million years ago, plants similar to modern ferns covered vast stretches of the land. Some were as large as trees, with giant fronds bunched at the top of trunks as straight as pillars. Others were the size of bushes and formed thickets of undergrowth. Still others lived in the shade of giant club mosses and horsetails along the edges of swampy lagoons where giant amphibians swan.
A great number of these plants were true ferns, reproducing themselves without fruits or seeds. Others had only the appearance of ferns. Their leaves had organs of sexual reproduction and produced seeds. Although their “flowers” did not have corollas, these false ferns (today completely extinct) ushered in the era of flowering plants. Traces of these flora of the earliest times have been preserved in the form of fossils. Such traces are most commonly found in shale and sandstone rocks wedged between coal beds.
Today only tropical forests bear living proof of the ancient greatness of ferns. The species that grow there are no longer those of the Carboniferous period, but their variety and vast numbers, and the great size of some, remind us of the time when ferns ruled the plant kingdom.
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Trả lời:
Giải bởi Vietjack
Chọn A
Câu hỏi cùng đoạn
Câu 2:
The word “others” in bold refers to
Đáp án chính xác
Lời giải của GV VietJack
Chọn C
Câu 3:
Which of the following is NOT mentioned as a characteristic of the plants described in the passage?
Đáp án chính xác
Lời giải của GV VietJack
Chọn D
Câu 4:
The author states that fossils of early plant life are usually found in rocks located between deposits of
Đáp án chính xác
Lời giải của GV VietJack
Chọn A
Câu 5:
The word “bear” in bold could best be replaced by which of the following?
Đáp án chính xác
Lời giải của GV VietJack
Chọn B
Nhà sách VIETJACK:
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