我国土地利用类型中,占比例最小的是( )
A.耕地
B.林地
C.可利用草地
D.沙漠、石头山地、永久积雪和冰川
读图可得,我国占比例最少的土地利用类型是耕地.
故选:A.
根据句意及首字母(汉语)的提示,补全单词。
l. Catherine stayed i_____ because it was raining.
2. Peter k ___ the glass off the table and broke it.
3. I bought a_____(篮子)of apples yesterday.
4. This had made it necessary for agriculture and industry to d __ very quickly.
5. You have to file away for hours to get this ___ (金属)smooth.
维生素K参与合成( )
A.凝血因子Ⅷ、Ⅺ和ⅫB.凝血酶原和凝血因子Ⅶ、Ⅺ、ⅩC.血管活性物质D.血小板E.凝血因子Ⅷ