1.下列哪项是原发性腹膜炎的病因
A. 胃、十二指肠急性穿孔
B. 腹腔内脏损伤
C. 急性阑尾炎穿孔
D. 病原菌经血行进入腹腔
E. 胶窄性肠梗阻
英译汉Education also appears to divide society in many ways. Higher levels of educational attainment are linked to greater income, better health, improved well-being and elevated levels of employment. Educational status also reveals political divides. Those with lower qualifications were more likely to vote for Britain to leave the European Union, for example.
汉译英订购外卖(take away)很方便,外卖食品种类多,价格也不高。这种种因素导致点外卖在中国人中,尤其是中国青年人中十分流行。据报道,60%以上的中国人每周至少吃两次外卖食品。然而,调查显示,50%以上的中国人认为外卖食品对健康有害。许多人表示,他们担心外卖食品的质量,特别希望有关部门能确保食用油和食材的卫生。(hygiene)
镗孔表面粗糙度不符合要求的原因有工件定位基准选择不当。
A. 对
B. 错