引起溶血性黄疸的疾病包括()。
A.自身免疫性溶血性贫血
B.恶性疟疾
C.海洋性贫血
D.新生儿溶血
E.病毒性肝炎
参考答案:A, B, C, D
In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.
A.to improve
B.improving
C.improved
D.being improving
通过调查几个大型油田了解全国原油生产的基本情况,此项调查应属于()。
A.普查
B.重点调查
C.抽样调查
D.典型调查