【单选题】She was regarded as a beauty when she was at college. After giving birth to a baby, she became ______ beautiful.
【单选题】She ______ scarlet fever when she was a baby and lost her eyesight.
【多选题】下列描述中属于本征半导体的基本特征是______。
【简答题】在我国的社会保障体系中处于核心部分的是( )。
【单选题】A mother will affect her unborn baby if______.
A.
she is emotionally shocked
B.
she has a good knowledge of inheritance
C.
she takes part in all kinds of activities
D.
she sticks to studying
【简答题】vt. cause a reaction of feeling, esp. a sudden one 激起;引起