选出划线的字注音正确的一项( )
A:瓦砾( lì ) 面面相觑( qù ) 提防( tí ) 吊唁( yàn )
B:剽悍( biāo ) 锐不可当( dǎng ) 绽开( zhàn ) 归咎( jiù )
C:差使( chāi ) 风雪载途 ( zài ) 藻井( zǎo) 愧怍( zuò )
D:盔甲( kūi ) 参差不齐( cī ) 翩然(piān) 尴尬( gài )
— I hear you have to get up early in the morning.
— Yes, it is one of the ________ in my family.
下列表示纯合子基因型的是
①蚯蚓—体壁 ②蝗虫—气门 ③鲫鱼—鳃 ④家鸽—肺和气囊 ⑤鲸—肺