问题
单项选择题 A型题
葡萄糖中蛋白质的检查方法为（）
A.测定蛋白质的荧光强度
B.蛋白质与显色剂作用显色
C.蛋白质遇强碱产生沉淀
D.蛋白质遇酸产生沉淀
E.蛋白质与重金属盐作用产生沉淀
答案
参考答案：D
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葡萄糖中蛋白质的检查方法为（）
A.测定蛋白质的荧光强度
B.蛋白质与显色剂作用显色
C.蛋白质遇强碱产生沉淀
D.蛋白质遇酸产生沉淀
E.蛋白质与重金属盐作用产生沉淀
参考答案：D
Mr. Smith lived in a village far away __ 16_ a town . One day he felt very ill and every one 17 he would die . They sent for a doctor . The doctor 18 and looked at the man closely . The doctor asked for a pen and ___19 paper to write down the name of the medicine(药). But there was no pen _20 _ paper because all the villagers never went to school before. The doctor had to use a piece of charcoal to write down the name of the medicine on the door of the house. “Get this medicine for him .” he said , “and he will ___ 21 _ get better .” Mr Smith’s family and friends didn't know _ _22__ to do . They could not read the __ 23_ writing . Then Mr. Smith’s son had an idea . He shut ___24 the door of the house , put it on his back and ran to the nearest town . He bought the medicine , he soon got rid of his __ 25 . He would not let anyone wash the magic words from the door .
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