第1题: [单项选择]How many people will be at the party A. He meanns that he is just looking forward to the party. B. He means that he hates being late for the party. C. He means that he must hurry. 参考答案:A
第8题: [单项选择]血管支架扩张血管的机制中,下列叙述正确的是 A. 目前血管支架是使狭窄血管管腔扩张的主要手段 B. 血管支架置入后,容易刺激动脉粥样斑块形成 C. 血管支架置入后,分支血管口不发生阻塞 D. 血管支架置入后,狭窄血管不会发生再狭窄 E. 血管支架成形术后血管再狭窄的几率比球囊扩张血管成形术后再狭窄几率高 参考答案:C
第15题: [单项选择]大肠埃希菌的抗原结构有() A. O抗原、K抗原和Vi抗原 B. O抗原、K抗原和H抗原 C. O抗原、Vi抗原和H抗原 D. O抗原和K抗原 E. O抗原和H抗原 参考答案:B 答案解析:大肠杆菌抗原有菌体抗原(O抗原)、鞭毛抗原(H抗原)和表面抗原(K抗原)三种,O抗原是血清学分型的基础。
第16题: [单项选择]What are the "unusual traits or situations" referred to in the first sentence A. Patterns of animal and plant growth. B. Food and food preparation patterns of the upland Tibetans. C. Social and familial organization of typical Tibetan society. D. All of the abov 参考答案:D 答案解析:第三段中“the Tibetan uplands had a dry,continental climate with vegetation and animal life similar to…”表