(Viên chức Mầm non) 500 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 6

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
These features were discovered and explored (1) ______ in the late 1940s. The Lomonosov Ridge, the major Ridge, cuts the Arctic Basin (2) ______ in half, extending as a submarine bridge 1,800 km (1,100 mi) (3) ______ Siberia to the northwestern tip of Greenland. Parallel (4) ______ it are two shorter Ridges: the Alpha Ridge on the North American (5) ______ , defining the Canada and Makarov basins, (6) ______ the Arctic Mid-Ocean Ridge on the Eurasian side, (7) ______ the Nansen and Amundsen basins. The average (8) ______ of the Arctic Ocean is only 1,300 m (4,300 ft) (9) ______ the vast shallow expanses on the continental shelves. The deepest (10) ______ in the Arctic Ocean is 5,450 m (17,880 ft).

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Conservation, sustainable use and protection of (1) ______ resources including plants, animals, mineral deposits, soils, clean (2) ______ , clean air, and fossil fuels such as coal, petroleum, and natural gas. Natural (3) ______ are grouped into two categories, renewable and nonrenewable. A (4) ______ resource is one that may be replaced over time by natural processes, (5) ______ fish populations or natural vegetation, or is inexhaustible, such as solar energy.

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Nonrenewable resources include fossil fuels and mineral deposits, such as (1) ______ ore and gold ore. Conservation activities for nonrenewable resources focus (2) ______ maintaining an adequate supply of these resources well into the future. Natural resources are conserved for their biological, economic, and recreational values, (3) ______ their natural beauty and importance to local cultures. (4) ______ , tropical rain forests are protected for their important role in both global ecology and the economic livelihood of the local culture; a coral reef may be (5) ______ for its recreational value for scuba divers; and a scenic river may be protected for its natural beauty.

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
National Parks and Preserves, (1) ______ public lands or bodies of water within a country, set aside by the (2) ______ to protect ecosystems, plant and animal species, scenic landscapes, geologic formations, or historical or archaeological (3) ______ . National parks are managed primarily for public recreation, (4) ______ exceptional locations where visitors can view wildlife and enjoy the (5) ______ .

Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Music, artful arrangement of sounds (1) ______ time. This definition is obviously very broad, but a narrower one would exclude (2) ______ much. Music is part of virtually every culture on (3) ______ , but it varies widely among cultures in style and structure. Definitions of music can (4) ______ dramatically over a short time, as they have across the world during the 20th (5) ______