几道英语冠词题，帮我解释一下原因，谢谢了

来源：百度知道 编辑：UC知道 时间：2024/05/06 16:07:00
42._ is the king of beasts.
A.Lion B.The lion C.Lions D.The lions

43.Mother does _.
A.all cooking at the home B.all cooking at home C.all the cooking at the home D.all the cooking at home

44.The police found the murder weapon at _.
A.the bottom of lake B.the bottom of the lake C.bottom of a lake D.bottom of he lake

45.We went on _.
A.a trip to the country side B.the trip to the countryside C.a trip to a countryside D.the trip to a countryside

46.They elected him _.
A.captain of the team B.captain of a team C.the captain of the team D.the captain of team

47.The human beings can not change _.
A.the law of the nature B.law of nature C.the law of nature D.law of the nature

48._ square has four sides.
A.A B.An C.The D./

49.Let's put the piano by _ windo

42.B. A:可数名词单数不能直接用，必须有冠词。又因为后面是is，所以用单数。
43.D。 at home是固定搭配，不能加冠词。cooking是特指，加冠词
44.B。 lake可数名词单数，必须有冠词，排除A。冠词the用法：：“沙漠河流 与群山”加the，排除C。特指是bottom,所以加the
45.A。 “一个旅行”，不是特指，所以trip前用a。countryside不是可数名词，所以只能加the
46.A。 captain是职位，之前不能加冠词。team是可数名词单数，必须加冠词，又是特指，不是“一个队伍”而是“这个队伍”。
47.C。 自然的规则，所以是特指，law之前加the.nature不是特指，也不可数，所以不用加冠词。
48.A 一个正方形，不是特指，首字母不是元音，所以选A
49.D window是可数名词单数，加冠词，因为是“窗户”旁边而非“一个窗户旁边”，所以用the。冠词the用法二：“方位顺序和乐器”前用the，left是方位，所以之前用the，可知选D
48.A

42._B is the king of beasts.
A.Lion B.The lion C.Lions D.The lions

43.Mother does D_.
A.all cooking at the home B.all cooking at home C.all the cooking at the home D.all the cooking at home

44.The police found the murder weapon at _B.
A.the bottom of lake B.the bottom of the lake C.bottom of a lake D.bottom of he lake

45.We went on _A.
A.a trip to the country side B.the trip to the countryside C.a trip to a countryside D.th