皮皮学，免费搜题
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【多选题】
2002年化学奖授予将“化学生物学提升为现代最大科学”的三位化学家，利用三人的研究成果，可以迅速地辨识蛋白质，制造出溶液中蛋白质分子的三维空间影像。下列关于蛋白质的说法不正确的是 [ ]A.
重金属盐能使蛋白质变性，所以误食重金属盐时，可以喝牛奶等解毒
B.
阿胶的主要成分是蛋白质，蚕丝的主要成份是纤维素
C.
蛋白质溶液中加入饱和硫酸铵溶液，蛋白质析出，虽再加水，也不溶解
D.
浓硝酸溅到皮肤上，使皮肤呈现黄色是由于浓硝酸与皮肤发生了颜色反应
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皮皮学刷刷变学霸
举一反三
【多选题】What did Einstein and Edison have in common?
A.
They faced immense obstacles and extreme criticism
B.
They were called “slow to learn” and written off as idiots by their teachers.
C.
They overcame their childhood persecution and went on to achieve magnificent discoveries.
D.
Their parents believed in them and worked intensely with their sons.
【简答题】低碳钢试样的应力一应变曲线可以大致分为4个阶段。阶段I为( )阶段;阶段II为( )阶段;阶段III为( )阶段;阶段IV为( )阶段。
【单选题】What does the word "they" reffer to in the following sentence? Nobel did not specifically emphasize discoveries, but they have historically been held in higher respect by the Nobel Prize committee tha...
A.
Nobel Prizes
B.
the candidates for Nobel Prize
C.
inventions
D.
discoveries
【简答题】What other different discoveries did the author made during his experience?
【多选题】关于商业银行风险、收益与损失之间的关系，下列描述正确的有( )。
A.
损失是一个事后概念，是指已经真实发生的账面损失
B.
承担高风险一定会带来高收益
C.
某项业务的预期损失较高反映了该业务的不确定性或风险较高
D.
通常情况下，当期收益较高的业务所承担的风险也相对较高
E.
风险是一个事前概念，是指在一定条件下可能遭受的损失
【简答题】What discoveries did Bod and Scarlett make in the barrow?
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