问题
单项选择题
手测法测定土壤质地：湿时能搓成直径约3㎜土条，但提起后即会断裂。由此可以大体判定这种土壤为（）。
A.砂壤土
B.轻壤土
C.中壤土
D.重壤土
答案
参考答案：B
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手测法测定土壤质地：湿时能搓成直径约3㎜土条，但提起后即会断裂。由此可以大体判定这种土壤为（）。
A.砂壤土
B.轻壤土
C.中壤土
D.重壤土
参考答案：B
| 用方框中所给单词的适当形式填空。 | |
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