排除老人、孕妇、婴幼儿和未成年人以及肝、肾功能不全等特殊人群,属于()
A.管理漏洞
B.观察时间短
C.考察不全面
D.病例数目少
E.试验对象有局限
参考答案:E
In 1911, Madam Curie received a second Nobel Prize for her research, the first person in the world ______ two Nobel Prizes.
A.receiving
B.received
C.to receive
D.being received
油酥中酥层外露,表面即能见整齐均匀酥层的是()。
A.暗酥
B.明酥
C.半明半暗酥
D.单酥