以下属于黄酮醇的是()
A.杜鹃素
B.山柰酚
C.橙皮苷
D.葛根素
E.汉黄芩素
参考答案:B
解析:
根据各个成分的结构判定,只有山柰酚是黄酮醇类的化合物。结构如下:
with the medicine shipped from China,the patient got fully recovered two days later.
A.Being treated
B.Treated
C.To treat
D.Treating
These are all ________houses for the homeless.
A.newly - building
B.newly-builder
C.new - building
D.newly - built