双燃料汽车的两套燃料供给系统同时向汽缸供给燃料。
参考答案:错
When it was his turn to speak, ________ , he stood up. [ ]
A. nervously and excited
B. nervous and excitedly
C. nervously and excitedly
D. nervous and excited
宫颈糜烂患者妇科检查应可见()
A.宫颈外口突出单个或多个舌样、鲜红赘生物
B.宫颈 * * 部呈细颗粒状的红色区
C.宫颈表面有略突出表面的青白色小囊肿,内含黄白色黏液
D.比正常宫颈增大,质硬
E.宫颈口充血发红,宫颈外口有脓性分泌物