经济风险的生产防范措施有();转移生产地点。
参考答案:改变生产投入要素的组合
膝胸位或俯卧位可使疼痛减轻提示的疾病是()。
A.胃黏膜脱垂
B.反流性食管炎
C.胰头癌
D.十二指肠雍滞症
E.病毒性肝炎
Here ______some pieces of news, and I want to know what the latest news _______. [ ]
A. are; are
B. is; is
C. is; are
D. are; is