(Viên chức Mầm non) 500 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 13

Surely there are now reasons why (1) ______ book ought to be dead, or at least very badly injured. If so, why does it not show proper respect for these reportedly less literate times (2) ______ die out? There is clearly more than a single answer to this question. Firstly, we have more leisure time than we (3) ______ to, and people are generally living longer, which means there is more time to do more (including reading books). As (4) ______ as this, there is the strength of the book as a tradition. We are all too dismissive of traditions in our modern world, but they can have very strong pull (5) ______ us.

Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often (1) ______ 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 (3) ______. 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 (4) ______ of its soil. The roots of plants help to (5) ______ the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground.