The safety of ships at sea does not depend only on the arrangements made in

游客2025-03-19 25

问题 The safety of ships at sea does not depend only on the arrangements made in the ships themselves. Dangerous coasts and rocks may be seen in the daytime,【C1】______they are a threat to safe navigation at night. Lighthouses are therefore erected at such places to【C2】______sailors of the danger. Modern lighthouses are put up at all dangerous places near the courses【C3】______by ships. On some rocky coasts several lighthouses may be built not far from each other, and【C4】______the sailors on a ship may know which is which, they have【C5】______arrangements of lights. One lighthouse will give a single flash at regular【C6】______, another may give two flashes; a third may give two followed by one; and so on. 【C7】______watching the lights the navigator is able to decide exactly where he is, and he can set his 【C8】______with confidence. In the approaches to some ports two continuous lights are set up, one above【C9】______but some distance behind; when they appear from the sea one above the other, the ship is on the right course; but if they do not, the captain knows that he is【C10】______his course and likely to strike a rock or the bottom of the sea. [br] 【C8】

选项 A、way
B、course
C、voyage
D、journey

答案 B

解析本题要求填入一个能与set“确定”构成动宾搭配的名词，从上文的the course followed by ships“船只行驶的航线”可以得到线索，本句中也应该填入course“航线”一词，set his course意为“确定他的航线”，因此B项是最佳选择。A项way指“方向”，C项voyage指“航行”，D项journey指“旅程”，它们在本句的意思都不够确切。

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