a survey conducted in britain _____ that an _____ high percentage of patients ____ from arthritis of the spine who had been _____ with x rays _____ cancer.
[参考译文]英国进行的一项调查证实经常接受x光照射的脊椎关节炎患者癌症发病率高得不正常。
参考答案：confirmed,abnormally,suffering,treated,contracted
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the result of ______ is that, _____ the areas of the whole leaves follow a normal ______, a ______distribution is produced, one peak composed mainly of ______ pieces, the other of the larger _____.
[参考译文]磨擦的结果是，在叶面上服从正态分布的地方就会产生双峰分布方式，顶点上主要是小块，其他的地方是大块。
参考答案：attrition,where,distribution,bimodal,fragmented,remains