下列不属于干旱性灌溉的是()。
A.久旱无雨时灌水
B.夏季高温干旱时灌水
C.早春缺水时灌水
D.花芽分化时灌水
参考答案:D
My teacher said to me with a smile, “Well, you ________ to worry about your lessons.”
A.needn’t
B.don’t need
C.not need
D.need
麻疹的主要病变脏腑在
A.肝胆B.脾肾C.肺脾D.心肝E.脾胃