A. the human eye is sensitive to all wavelengths B. colors are related to wavelengths C. there are more color-blind women than color-blind men D. failure of rods cause color-blindness 参考答案:B
第3题: [单项选择]—Would you like to go to the park with me —I’m afraid I can’t go with you. ()! A. Let’s go B. Please go C. Bye D. Enjoy yourself 参考答案:D
第10题: [单项选择]关于不稳定型心绞痛的心电图改变以下描述不正确的是() A. 心绞痛发作时明显的ST段压低有预后意义 B. 发作时可以出现心律失常 C. 心电图正常不能诊断为不稳定型心绞痛 D. 每次心电图检查均异常可能与伴随的高血压有关 E. 与未发作时心电图比较更有诊断意义 参考答案:C 答案解析:不稳定型心绞痛未发作时心电图可正常。