Mary said her mother (would buy her) a (five-speeds) racing bicycle (for) his (sixteenth birthday).
A.would buy her
B.five-speeds
C.for
D.sixteenth birthday
第7题
取柴胡粉末0.5g,加水l0ml,用力振摇,产生持久性泡沫是检查
A.甾醇
B.挥发油
C.皂苷
D.生物碱
E.酚类
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