生理碱性肥料
参考答案：
肥料施入土壤后，由于作物的选择性吸收而使土壤变碱的肥料。
心绞痛
A.胸痛为短暂的刺痛或窜痛
B.胸痛为持续性刺痛或烧灼痛
C.胸痛为压榨性，服硝酸甘油数分钟缓解
D.胸痛随着呼吸而加重
E.胸痛为压榨性，含服硝酸甘油不缓解，伴血压下降、呼吸困难
Out of sympathy for the earthquake victims in Yushu, the kind-hearted lady ____ her clothes
and quilts to them. [ ]
A. put away
B. set aside
C. gave away
D. sent out
