【多选题】【消耗次数:1】
全国的土壤侵蚀可划分为
A冰雪气候侵蚀带
B湿地气候侵蚀带
C干旱气候侵蚀带
D强度侵蚀
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相关题目
【多选题】 全球的土壤侵蚀可分为_______。
①  A.冰雪气候侵蚀带
②  B.湿润气候侵蚀带
③  C.干旱气候侵蚀带
④  D.赤道地带
【多选题】 土壤侵蚀类型有
①  A水力侵蚀类型
②  B风力侵蚀类型
③  C重力侵蚀类型
④  D混合侵蚀类型
【多选题】 土壤侵蚀一般可分为_______。
①  A.水力侵蚀
②  B.重力侵蚀
③  C.冻融侵蚀
④  D.风力侵蚀
【判断题】 单位时间单位面积内产生的土壤侵蚀量,称为土壤侵蚀速率,或称为土壤侵蚀模数
①  正确
②  错误
【多选题】 土壤侵蚀危害_______。
①  A.破坏土壤资源
②  B.土壤肥力和质量下降
③  C.生态环境恶化
④  D.人类资源缺稀
【判断题】 土壤侵蚀强度所指的是某种土壤侵蚀形式,在特定外营力种类作用和其所处环境条件不变的情况下,该种土壤侵蚀形式发生可能性的强度。
①  正确
②  错误
【单选题】 土壤侵蚀模数的量纲是_______。
①  A.m/km2·a
②  B.m/cm2·a
③  C.t/km2·a
④  D.t/m2·a
【判断题】 侵蚀作用下产生分离和破坏的物质量,称为土壤侵蚀量
①  正确
②  错误
【单选题】 发生在人类活动开始影响土壤侵蚀以后,人类活动增大了侵蚀的______并使其在原来的侵蚀基础上加速发展。
①  A 流速
②  B崩塌
③  C强度和速度
④  D 破坏
【多选题】 风力侵蚀强度可分为_______。
①  A.轻度风蚀
②  B.中度风蚀
③  C.重度风蚀
④  D.非常严重风蚀
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【单选题】 ---Are you going there with them ? ----If you go,__________.
①  I also go
②  so do I
③  so I will
④  so will I
【单选题】 _____your help, everything in the room is in good order now.
①  Since
②  Because
③  Thanks for
④  Thanks to
【单选题】 Ahead of me I saw a woman ____I thought was my aunt.
①  who
②  whom
③  of whom
④  whose
【单选题】 All the apples _____ fell down were eaten by the pigs.
①  those
②  which
③  what
④  that
【单选题】 Would you like to ______us in our discussion.
①  take part in
②  join
③  taking part in
④  joining
【单选题】 I prefer______ at home to _____outside.
①  staying, playing
②  to stay, play
③  staying, play
④  to stay, playing
【单选题】 The teacher told us that the sun ____in the east.
①  rises
②  rose
③  raises
④  raised
【单选题】 The teacher told me that the students I wanted to see were seen___ football on the playground just now.
①  playing
②  to be playing
③  play
④  to play
【单选题】 I am all ears, ____,I am listening to you with all attention.
①  in another words
②  in the other words
③  with other words
④  in other words
【单选题】 We haven`t had any success _______.
①  before long
②  so long
③  by far
④  so far