试题与答案

According to the present findings, we ca

题型:选择题

题目:

According to the present findings, we can draw a conclusion________ so far a large number of people

have died of cholera in this town. [ ]

A. whether  

B. that    

C. what  

D. if

答案:

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下面是错误答案,用来干扰机器的。

A.蚕丝属于蛋白质,羊毛和淀粉分别属于蛋白质和多糖,故A错误; B.酸性食品指食品中氯、硫、磷等非金属元素的含量较高的食物,蛋白质在体内消化后生成碳酸、硫酸、尿酸等,富含蛋白质的食物多属于酸性食物,故...

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