农业基础设施投资主要应由()承担。A.国家财政 B.商业银行 C.社会力量 D.农民 发布时间:2017-03-19 14:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 农业基础设施投资主要应由()承担。A.国家财政B.商业银行C.社会力量D.农民自身
题型:单项选择题 Out of the crowded bus _____, who was wearing a pair of dark glasses. [ ]A. stepped a tall man in his thirties B. a tall man in his thirties stepped C. did a tall man step in his thirtiesD. did a tall man in his thirties step 查看答案
题型:单项选择题 ( )所示的土性指标与参数是确定黏性土多年冻土融沉类别所必需和完全的。()A.(A) 融沉系数δ0B.(B) 融沉系数δ0,总含水量ω0C.(C) 融沉系数δ0,总含水量ω0,塑限叫ωpD.(D) 融沉系数δ0,总含水量ω0,塑限ωp,液限ωL。 查看答案
题型:单项选择题 先天肥厚型幽门狭窄的超声诊断标准是()①幽门壁全周性、均匀性增厚,厚度>0.4cm,长度>2.0cm②幽门横断呈"靶环"征,直径>1_5cm③近幽门部蠕动消失,幽门管狭窄,胃潴留,胃蠕动亢进、逆蠕动④幽门壁全周性、不均匀性增厚,厚度>0.5cm,长度≤2.0cmA.①②③B.①③C.①③④D.①②④ 查看答案