题目内容
（请给出正确答案）
[主观题]
Attempts have been made for nearly three decades to increase the amount of precipitation f
rom clouds by seeding them with salt or silver iodide.
A．Devices
B．Hypotheses
C．Efforts
D．Suggestions
如搜索结果不匹配，请 联系老师 获取答案
血清结合珠蛋白增高见于
A、阵发性睡眠性血红蛋白尿症
B、急性溶血性输血反应
C、蚕豆病
D、感染
E、药物所致免疫性溶血性贫血
