问题
单项选择题
某范围内的颗粒同时随水流发生移动的现象称为（）。
A.管涌
B.漏洞
C.流土
D.渗水
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
某范围内的颗粒同时随水流发生移动的现象称为（）。
A.管涌
B.漏洞
C.流土
D.渗水
参考答案：C
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| He lost his arms in an accident. Since then, he has had to depend on his 1 brother. In order to 2 him, his younger brother became his shadow (影子), never leaving him 3 for years. Except for writing with his 4 , he was completely unable to do anything in his life. As the two brothers 5 together,then one day, his younger brother had to work far from him, living his own life, as many normal people do. So he was heart-broken and didn't know 6 to do. A similar misfortune (不幸) happened to a girl, 7 . One night her mother disappeared after arguing with her father. So her father went out looking for her mother, 8 her alone at home. She tried to prepare meals for her parents, but only to catch a big fire, 9 took her hands away. 10 her elder sister who was studying in another city, showed her willingness to help her, she made up her mind to be completely independent (独立的). At school, she always studied hard. she learned to be self-reliant (自理). One day, the boy and the girl were both invited to a television interview program. They both 11 to write something on a piece of paper with their toes. The boy wrote: My younger brother's arms are my arms; while the girl wrote: "I am 12 . Though I lost my arms, I still have legs." They had 13 experienced a terrible disaster (灾难), but their different attitudes showed the nature of their lives. If you choose only to complain and 14 it, it will always follow you wherever you go. But if you decide to be 15 , the hardship will turn out to be a fortune on which new hopes will arise. | ||||
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