The TV star lost _________ his girlfriend _________ his show.
A:neither, nor
B:either, or
C:between, and
D:both., and
下列调查中,适宜采用全面调查(普查)方式的是( )
①口腔 ②鼻腔 ③食道 ④气管 ⑤肺
脊髓从胸段折断的病人,出现大小便失禁的原因是( )
两架飞机,东西相距一万千米,同时从赤道起飞,以同样的速度、同样的高度一直向北飞行,其结果是( )