根据句意及汉语提示,完成句子。(1)Unfortunately, my car ____ down when I went home.(抛锚)(2)He looked at me in ____ . (惊讶)(3)____ (安全) is important.(4)Have you ____ of the romantic tale? (听说)(5)In his ____ (三十),he began to teach.
下列各句中没有语病的一项是( )
科学家把控制合成人胰岛素的基因转入大肠杆菌内,并利用大肠杆菌大量生产人胰岛素,这种现代生物技术属于( )