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1Which of the following statements is NOT true according to this passage? A.If one gets cancer, it means some abnormal cells have uncontrollably multiplied within his body.B.Normal function will be halted if those abnormal cells multiplied within a vital organ or tissue.C.Normal cells divide at a higher rate than cancer cells.D.The patient?s susceptibility may influence the degree of cancer?s harmfulness. 参考答案： C 本文介绍了癌症的特征和三个发展时期，以及不同时期治愈的可能性，并指出人体自身的免疫力也会影响癌症的损害程度。 第三段可译为：一般说来，癌细胞分裂的速度要比正常细胞快。但是，癌组织的增长与正常组织的增长之间的区别与其说在于前者中细胞分裂的速度快，倒不如说癌组织中的癌细胞的增长部分失控或完全失控。这些癌组织不能转化为那种具有正常组织均衡功能特征的、有用的、大小限定的组织。从第三段的第一句明显看出，C项颠倒了作者的原意，是不对的。第一段第一、二句分别证明了A,B项的正确性，从最后一段的第一句也可看出D项是正确的。----------------------------------------2It can be seen from this passage that A.primary tumors won?t lead to the death of the patient.B.benign tumors tend to spread.C.cancerous cells generally assume normal shapes and sizes.D.benign tumours may cause death if they interfere with a normal body function. 参考答案： D 由第二段第三句，“The ultimate involvement of a vital organ by cancer, either primary or metastatic, may lead to the death of the patient”可知，A项不正确。而B项与接下来一句矛盾，所以也不对。从第二段第一句可知，C项应为“cancerous cells usually assume abnormal shapes and sizes.” D项与第二段最后一句意思相符，是正确的。----------------------------------------3It is informed in the passage that A.in the early age, a tumor is anything but abnormal.B.in the direct extension age, a malignant tumor is still confined to the primary site.C.in the metastasis age, a tumor is rarely curable.D.only in the third age is a tumor considered to be malignant. 参考答案： C 由文中第二段知，癌症分三期，第一期early age, frequently curable,第二期direct extension age, sometimes curable, 第三期me
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