头先露孕妇,胎儿窘迫可出现的征象是
A.胎动11次/12小时
B.胎心不清晰
C.羊水胎粪污染
D.羊水过少
E.羊水过多
参考答案:C
如图是我国新研制的月球探测器(简称“月球车”)样机,其造型奇特,功能强大.装配有表面纹路凹凸不平的六只轮子状的“大脚”更使它具有翻山越岭,万向行走的能力.其中,轮胎表面凹凸不平是为了______摩擦力,六只轮子状的“大脚”是为了______压强.(均填“增大”或“减小”)
Varieties of programmes in the TV station ________ many different types of interest and taste among the public.
A.cater to
B.appeal to
C.apply to
D.adjust to