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Passage 14 ( 20200302 ) More than two millennia ago the diligent and courageous people of Eurasia explored and opened up several routes of trade and 1 (culture) exchanges that linked the major civilizations of Asia, Europe and Africa, 2 (general) called the Silk Road by later generations. For thousands of years, the Silk Road Spirit – “peace and cooperation, openness and inclusiveness, mutual learning and mutual benefit” – 3 (pass) from generation to generation. In the 21st century , 4 new era is marked by the theme of peace, 5 ( develop), cooperation and mutual benefit. It is more important 6 us to carry on the Silk Road Spirit. When Chinese President Xi Jinping 7 (visit) Central Asia and Southeast Asia in September and October of 2013, he raised the idea of 8 (build) the Silk Road Economic Belt and the 1st-Century Maritime Silk Road, 9 have attracted close attention from all over the world. The Belt and Road Initiative is a systematic project, whose goal is 10 (meet) the interests of all, and efforts should be made to integrate the development strategies of the countries along the Belt and Road.
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【简答题】试述固氮酶复合物的特性并说明生物固氮的原理。
【多选题】色谱分析中常用有机溶剂极性排列正确的是()
A.
石油醚 < 苯 < 二氯甲烷 < 乙酸乙酯 < 丙酮 < 甲醇 < 乙酸
B.
四氯化碳 < 甲苯 < 二氯甲烷 < 乙醚 < 乙醇 < 甲醇 < 乙酸
C.
苯 < 甲苯 < 二氯甲烷 < 乙醚 < 甲醇 < 乙醇 < 乙酸
D.
石油醚 < 苯 < 二氯甲烷 < 乙酸乙酯 < 丙酮 < 甲醇 < 水
【单选题】80 °C 时纯苯的蒸气压为 0.991 p Ө , 纯甲苯的蒸气压为 0.382 p Ө , 若有苯 – 甲苯气液平衡混合物在 80 °C 时气相中苯的摩尔分数为 y 苯 =0.30, 则液相组成 x 苯 接近于:
A.
0.85
B.
0.65
C.
0.35
D.
0.14
【单选题】中枢兴奋药过量的最主要反应是
A.
心动过速
B.
血压升高
C.
惊厥
D.
房室传导阻滞
【多选题】在进行协调功能评定时主要是评定哪些方面的运动能力?
A.
交替和交互运动
B.
协调运动
C.
精细运动
D.
固定式维持肢体
E.
维持平衡和姿态
【单选题】重症肝炎患着致死原因主要是
A.
心力衰竭
B.
DIC
C.
颅内高压
D.
肝功能衰竭
【单选题】中枢兴奋药过量最主要的反应是
A.
心速过快
B.
血压升高
C.
惊厥
D.
房室传导阻滞
E.
心动过缓
【单选题】政府对种粮农民提供种粮补贴,这一财政支出属于
A.
预防性支出
B.
消耗性支出
C.
行政管理支出
D.
特殊利益支出
【单选题】中枢兴奋药过量最主要的反应是
A.
心动过速
B.
血压升高
C.
惊厥
D.
房室传导阻滞
E.
心动过缓
【简答题】宏观调控的主要手段有哪些?
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