第8题: [单项选择]Flowers and Yeo have started a programme A. to find ways to prevent water pollution. B. to identify genes that promote growth in salty soil. C. to breed rice plants that taste salty. D. to find ways to remove excessive salt from soil. 参考答案:B
第26题: [单项选择]Which of the following would help a new administrator quickly determine if a network had a VLANfor its publicly accessible servers?() A. Baselines B. Regulations C. Logical network diagrams D. Wiring schematics 参考答案:C
第34题: [单项选择]不符合肠系膜炎性肌纤维母细胞瘤特点的是() A. 由细菌感染后引起 B. 临床可出现血小板增多症 C. 肿瘤为良性、不复发和转移 D. 肿物结节状或分叶状,直径3~13cm E. 肿瘤内见大量增生的纤维结缔组织和慢性炎细胞 参考答案:C 答案解析:肠系膜炎性肌纤维母细胞瘤由细菌或其他病原因子引起。临床特点表现为腹部肿块,伴有发热、血沉加快、血小板增多症及多克隆高球蛋白血症等。肿物切除后有关症状可消失,部分病例可复发,甚至转移。病理形态特点:肿物