第25题: [单项选择]According to the passage, the most decisive factor in the competition lies in ______. A. how to treat the street level and underground B. how to design the links between the high-rises C. how to create sites for a memorial D. how to build parks and facilities 参考答案:A 答案解析:细节题。段落首尾句非常重要,其小含有转折词、特殊标点符号、比较句型的句子更应引起重视,而文章中的最后一段第1句包含了所有这些特征:But more critical...is how the vari
第34题: [单项选择]有关Ⅲ级星形细胞瘤的MRI表现,下列哪项不对() A. 肿瘤常见于大脑半球,以顶叶、枕叶多见 B. 肿瘤在T1WI与T2WI上均表现均匀信号 C. 肿瘤常见囊变,钙化少见 D. 增强扫描肿瘤呈不规则环状强化 E. 肿瘤细胞也可沿室管膜下、脑脊液和软脑膜播散 参考答案:B 答案解析:Ⅲ级星形细胞瘤在T1WI与T2WI上为不均匀信号,因其内常伴有坏死囊变。