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血，其中通常是相应白细胞类型的定性和定量变化。

31.Nevertheless,knowledge of the cancers is advancing in such way that it seems likely that some definite control may be achieved in the fairly near future;but only if research and application of research on cancer are carried out in a far more vigorous,orderly and scientific way than they are at present.

然而，癌症的知识正在以这样的方式推进，它似乎有可能在不久的将来实现某些明确的控制，但是，只有对癌症的研究和应用，才能比现在更为积极、有序、科学地进行。

32.The reason that one tissue or organ,such as stomach,can digest food,and another tissue or organ,such as a muscle,can move a limb,is that the cells of which each tissue or organ is made are different. 一个组织或器官，如胃，可以消化食物，以及另一个组织或器官，如肌肉，可以移动肢体，是每个组织或器官制成的细胞是不同的。 33.Her family history,besides the fact that her brother died form Darier’s disease.was no contributory.她的家族史无特殊情况，除了她的哥哥死于毛囊角化症外。

34.The attacks were precedes by 3 or 4 hour prodromes前驱症状 of nausea,abdominal distention,diarrhea or constipation.

袭击发生在3或4小时的前驱症状有恶心、腹胀、腹泻或便秘。 35.She was susceptible to car sickness,a tendency which had been less pronounced in the past year.她易患晕车，这一趋势在过去一年中并不

明显。