第29题: [单项选择]下列哪一类药物可逆转肾上腺素的升压效应 A. N1受体阻断药 B. p受体阻断药 C. N2受体阻断药 D. M受体阻断药 E. α受体阻断药 参考答案:E
第30题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard. A. The tall buildings. B. The old buildings. C. The warehouses. D. The Tower of London. 参考答案:D 答案解析:[听力原文]
What can you see on the north side of Tower Bridge