第13题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard.A. Snakes like to stay in the sun. B. Snakes like warmth. C. Snakes are used to extra-hot weather. D. Snakes are good swimmers 参考答案:B 答案解析:[解析] Why do we find the largest number of snakes in hot regions
第33题: [单项选择]高血压脑病的血压突然升高通常在() A. 舒张压>140mmHg,或血压>180/120mmHg B. 舒张压>110mmHg,或血压>140/90mmHg C. 舒张压>120mmHg,或血压>160/100mmHg D. 舒张压>120mmHg,或血压>150/90mmHg E. 舒张压>130mmHg,或血压>170/110mmHg 参考答案:A