黄芪的来源为
A.豆科植物蒙古黄芪的干燥根
B.豆科植物膜荚黄芪的干燥根
C.豆科植物扁茎黄芪的成熟种子
D.A+B
E.D+C
参考答案:D
新生儿寒冷损伤综合征对疾病判断最有价值的指标是()
A.体重
B.血压
C.脉搏
D.呼吸
E.体温
—What did your parents think about your decision?
—They always let me do __________I think I should.
A.when
B.that
C.how
D.what