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【多选题】
母质、气候、生物、地形、时间是土壤形成的五大土因素。母质是土壤形成的物质基础和初始无机养分的最初来源。气候导致矿物的风化和合成,有机质的形成和积累。土壤中物质的迁移、分解和合成。生物包括植物、动物和微生物等。是促进土壤发生发展最活跃的因素。地形可以使物质在地表进行再分配,使土壤及母质在接受光、热、水等条件方面发生差异。时间是阐明土壤形成发展的历史动态过程。母质、气候、生物和地形等对过程的作用随着时间延续而加强。土壤的生成过程说明
A.
事物的产生是多种因素相互作用的结果
B.
时间是物质运动的存在形式
C.
事物总是作为过程而存在
D.
事物的发展总是呈现出线性上升的态势
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参考答案：
举一反三
【简答题】可用于暑湿泄泻，利小便以实大便的药物是（ ）
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【单选题】污废水处理达标时,pH范围为( )
A.
3~5
B.
4~7
C.
6~9
D.
9~11
查看完整题目与答案
【单选题】The author uses the word 'dilemma' to indicate that ______.
A.
the fungus is both helpful and harmful in its effects
B.
no one understands how a fungus lives
C.
fungi are not really plants
D.
the fungus seems to have its own biological laws
查看完整题目与答案
【单选题】Like all the huge metropolises of the world, there are lots of diversions both outdoors and indoors in Chicago. The Art Institute of Chicago has one of the world's【1】art collections, including more Fr...
A.
smallest
B.
smaller
C.
greatest
D.
greater
查看完整题目与答案
【单选题】In an effort_____the needs of students who have both the potential and the desire to complete curriculum more demanding than that offered in the regular classroom, the Board of Education will provide ...
A.
to meet
B.
meeting
C.
has met
D.
meets
查看完整题目与答案
【多选题】根据企业在行业竞争中的地位，可以将其分为：( )。
A.
垄断企业
B.
主导企业
C.
前沿企业
D.
衰落企业
查看完整题目与答案
【单选题】通信双方端到端延时小于（）称为同步通信；否则被看成是异步通信。
A.
小于500ms （语言通信小于 40ms ）
B.
小于40ms （语言通信小于500 ms ）
C.
大于40ms （语言通信大于 500 ms ）
D.
大于500ms （语言通信大于40 ms ）
查看完整题目与答案
【单选题】Where is the gravitational pull of both the earth and the moon on an object equal?
A.
In the middle between the earth and the moon.
B.
A point closer to the earth between the moon and the earth.
C.
A point closer to the moon between the earth and the moon.
D.
No such point exists.
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【单选题】Which of the following is NOT true according to the passage?
A.
Both the defeated Indians and their enemies believed the bridge was provided by the Great Spirit.
B.
The stone bridge is no longer in existence.
C.
The defeated Indians had been pursued by the enemy for several days.
D.
The Indians in the camp were in a serious situation because they took a wrong course.
查看完整题目与答案
【判断题】庄晚芳先生在《中国茶史散论》中写道:“茶道就是一种通过泡茶,对人们进行礼法教育、道德修养的一种仪式。”
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【简答题】可用于暑湿泄泻，利小便以实大便的药物是（ ）
查看完整题目与答案
【单选题】污废水处理达标时,pH范围为( )
A.
3~5
B.
4~7
C.
6~9
D.
9~11
查看完整题目与答案
【单选题】The author uses the word 'dilemma' to indicate that ______.
A.
the fungus is both helpful and harmful in its effects
B.
no one understands how a fungus lives
C.
fungi are not really plants
D.
the fungus seems to have its own biological laws
查看完整题目与答案
【单选题】Like all the huge metropolises of the world, there are lots of diversions both outdoors and indoors in Chicago. The Art Institute of Chicago has one of the world's【1】art collections, including more Fr...
A.
smallest
B.
smaller
C.
greatest
D.
greater
查看完整题目与答案
【单选题】In an effort_____the needs of students who have both the potential and the desire to complete curriculum more demanding than that offered in the regular classroom, the Board of Education will provide ...
A.
to meet
B.
meeting
C.
has met
D.
meets
查看完整题目与答案
【多选题】根据企业在行业竞争中的地位，可以将其分为：( )。
A.
垄断企业
B.
主导企业
C.
前沿企业
D.
衰落企业
查看完整题目与答案
【单选题】通信双方端到端延时小于（）称为同步通信；否则被看成是异步通信。
A.
小于500ms （语言通信小于 40ms ）
B.
小于40ms （语言通信小于500 ms ）
C.
大于40ms （语言通信大于 500 ms ）
D.
大于500ms （语言通信大于40 ms ）
查看完整题目与答案
【单选题】Where is the gravitational pull of both the earth and the moon on an object equal?
A.
In the middle between the earth and the moon.
B.
A point closer to the earth between the moon and the earth.
C.
A point closer to the moon between the earth and the moon.
D.
No such point exists.
查看完整题目与答案
【单选题】Which of the following is NOT true according to the passage?
A.
Both the defeated Indians and their enemies believed the bridge was provided by the Great Spirit.
B.
The stone bridge is no longer in existence.
C.
The defeated Indians had been pursued by the enemy for several days.
D.
The Indians in the camp were in a serious situation because they took a wrong course.
查看完整题目与答案
【判断题】庄晚芳先生在《中国茶史散论》中写道:“茶道就是一种通过泡茶,对人们进行礼法教育、道德修养的一种仪式。”
A.
正确
B.
错误
查看完整题目与答案
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