1. A. work　 　　　　 B. life　 　　　　 C. holiday　 D. families

15．C。break为及物动词, 与主语构成动宾关系，所以用被动语态形式was broken。

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Do you know Eskimos (爱斯基摩人)? Let me tell you something about their 　1　 .

The Eskimos live near the North Pole (北极). There are only two 　2　 　there, winter and summer, There are no spring 　3　 　autumn there. The winter nights are 　4　 . You can't 　5　 　the sun for more than two months, even at noon. The summer days are long. For more than two months, the sun never 　6　 　and there is no night.

The Eskimos have 　7　 　clothes. They make their clothes from the skin of animals. From these skins they make coats, caps and 　8　 .

Near the North Pole trees can't grow, for it is too 　9　 　there. The Eskimos 　10　 　make their houses from skins, snow or stones (石头). When they 　11　 　in storm and can't 　12　 　home, they make house of snow. They 　13　 　these snow houses when the storm is 　14　 .

Life is 　15　 　for the Eskimos, but they still like to live there.

14．D。fall on为“掉到……上”, fall off 是指“从某处摔下”, fall down是“落下”。

13．B。这里表示“烫”, 所以不能选warm。

12．A。妈妈得知孩子生病, 首先感到担心。

11．B。Then是副词，表时间上的“顺承”。 其他三选项均引导从句, 故不选。

10．D。next to表示“临近、非常接近”。

9．C。根据文意。

8．C。其他选项在语法上均错。

7．A。妈妈会认为他真的病了，故选副词really。