问题
单项选择题
天花粉来源于
A．葫芦科植物栝楼或双边栝楼的干燥根
B．葫芦科植物栝楼或双边栝楼的干燥根茎
C．葫芦科植物栝楼或双边栝楼的干燥根及根茎
D．葫芦科植物栝楼或双边栝楼的干燥花粉
E．葫芦科植物栝楼或双边栝楼的干燥花及花粉
答案
参考答案：A
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天花粉来源于
A．葫芦科植物栝楼或双边栝楼的干燥根
B．葫芦科植物栝楼或双边栝楼的干燥根茎
C．葫芦科植物栝楼或双边栝楼的干燥根及根茎
D．葫芦科植物栝楼或双边栝楼的干燥花粉
E．葫芦科植物栝楼或双边栝楼的干燥花及花粉
参考答案：A
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