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【单选题】
有关胶体渗透压的描述，下列哪项是错误的A.
胶体渗透压在维持血管内容量方面十分重要
B.
由溶解在体液中的大分子非离子物质溶质颗粒产生
C.
大分子非离子物质是指分子量＞30000的物质
D.
清蛋白产生的渗透压只占1／6
E.
胶体渗透压在防止组织水肿方面十分重要
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【单选题】晶间腐蚀会对结构件造成怎样的损害?
A.
严重降低材料的机械性能，而外表并无变化
B.
对结构件的损伤不大
C.
不会导致构件发生突然破坏
D.
严重降低材料的机械性能，发生破坏前有明显的预兆
【简答题】My father was Chief engineer of a merchant ship, which was sunk in Word War II. The book Night of the U-boats told the story. Memories In September, 1940, my mother, sister and I went to Swansea, wher...
【简答题】Barack Obama, a black man, is the president of the United States now. He was born on August 4th, 1961, in Hawaii and has lived in many places. His mother was from Kansas and his father was from Kenya....
【单选题】Barak Obama, a black man, is the president of the United States now. He was born on August 4 th , 1961, in Hawaii and has lived in many places. His mother was from Kansas and his father was from Kenya...
A.
． In Kansas.
B.
． In Hawaii.
C.
． In Kenya.
D.
． In Massachusetts.
【单选题】生产资料公有制是社会主义经济的制度的基础。下面关于公有制经济的主体地位的理解，错误的是（）
A.
公有资产在社会总资产中占优势
B.
国有经济控制国民经济命脉
C.
国有经济对经济发展起主导作用
D.
公有制企业在数量上和质量上占优势
【单选题】Yesterday we went to visit the farm ____ my father used to work for nearly ten years.
A.
in which
B.
that
C.
where
D.
which
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