预防MAS(胎粪吸入综合征)的关键是()
A.防止早产
B.防止胎儿缺氧
C.防止PPHN(新生儿持续肺动脉高压)
D.防止维生素K缺乏
E.防止ABO溶血
参考答案:B
某住宅小区总建筑面积48万m2/sup>,其中完好房面积30万m2/sup>、基本完好房面积14万m2/sup>、一般损坏房面积2万m2、严重损坏房1万m2/sup>、危险房面积1万m2/sup>。该小区房屋完好率为()。
A.62.50%
B.91.67%
C.93.50%
D.93.67%
____ she couldn’t understand was _____ fewer and fewer students showed interests in her lessons.
A.What; why
B.That; what
C.What; because
D.Why; that