Câu hỏi:
07/04/2020 220Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks.
Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often (26) _______ small grains of sand. When these grains of sand strike against solid rocks, the rocks are slowly worn away. In this way, even very hard rocks are worn away by the wind.
When particles of rocks or soil became loosened in any way, running water carries them down the hillsides. Some rocks and soil particles are carried into streams and then into the sea.
Land that is covered with trees, grass and other plants wears away very slowly, and so loses very (27) _______ of its soil. The roots of plants help to (28) _______ the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground. Thus, forests and grasslands help to slow down erosion.
Even where the land is (29) _______ covered with plants, some erosion goes on. In the spring, the (30) _______ snow turns into a large quantity of water that then runs downhill in streams. As a stream carries away some of the soil, the stream bed gets deeper and deeper. After thousands of years of such erosion, wide valleys are often formed.
Điền ô số 28
Đáp án chính xác
Câu hỏi trong đề:
20 Đề thi thử Tiếng Anh năm 2020 chuẩn cấu trúc bộ giáo dục !!
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Đáp án D
D. hold: thích hợp với ý nghĩa của câu: “to hold the rocks and soil in place” = “giữ nguyên vị trí của đá tảng và đất”.
Nhà sách VIETJACK:
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