【单选题】对于相同的横截面积,同一梁采用下列何种截面,其强度最高。( )【图片】
【单选题】听力原文:(A) Some people are drinking at the fountain. (B) Some people are spending time around the fountain. (C) Some people are watering some plants in the park. (D) Some people are putting their feet i...
【简答题】This is the very book belongs to him.
【单选题】对于相同的横截面积,同一梁采用下列何种截面,其强度最高? ( )
【简答题】A.The ancestors of some of the Thai people are Chinese. B.Some of the Thai people have immigrated from China. C.Some of the Thai people have relatives and friends in China. D.Some of the Thai people a...
【单选题】What type of writing do you think this passage belongs to?
A.
An article on popular science.
B.
An article taken from a transportation book.
C.
A commercial contract.
【判断题】This is the very book which belongs to him.
【简答题】环境保护(10分) 据《2011中国林业基本情况》显示,我国森林资源仍存在总量不足、质量不高、分布不均衡的问题。从地域分布上看,我国林区相对集中分布在东北的大、小兴安岭和长白山,西南的川西川南、云南大部、藏东南地区。整个东北现有用材林、成熟林已比新中国成立初减少了51%,由于毁林大于造林,森林覆盖率大大减小,导致了生态环境恶化,风沙、旱涝等自然灾害频繁发生。 (1)举例说明东北林业资源减少给生态环...
【单选题】听力原文:(A) Some people are sitting next to the fountain. (B) Some people are waiting for admission. (C) Flagpoles have been lined up. (D) Some people are raising flags.
【单选题】whoes book is this ?- .A.It is TomB. It belongs to Tom’sC. It belongs to Tom
A.
whoes book is this ? -____. A.It is Tom