第1题:
如生土,熟土,膏泥…的解释,多多益善!
第2题:
According to the text. which of the following is NOT true?
A. Soil forms from weathered rock on the earth surface.
B. The deeper layer of soil is darker in colour than the surface soil.
C. Air pollution is partially responsible for acid soil.
D. Groundwater tends to carry away nutrients for plant growth.
第3题:
此题为判断题(对,错)。
第4题:
以下属于高升糖指数的食物有()
第5题:
熟土层
第6题:
According to the text.which of the following is NOT true?
A.Soil forms from weathered rock on the earth surface.
B.The deeper layer of soil is darker in colour than t}le surface soil.
C.Air pollution is partially responsible for acid soil.
D.Groundwater tends to carry away nutrients for plant growth.
第7题:
遗址中未有人类活动前,天然堆积的土层叫()。
第8题:
【C4】
A.severe
B.stern
C.mature
D.mellow
第9题:
完熟 (mellow)
第10题:
没有被人扰动过的土壤是生土,被人扰动过的是熟土.