第16题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. The dress code is strictly formal in the company. B. It is cold at the time of the season. C. It will make him look professional. D. The woman likes the way he dresses. 参考答案:C 答案解析:[听力原文] Why should Alex have his jacket and tie on
第22题: [单项选择]润滑的最主要的作用是()。 A. 冷却作用 B. 减少磨损,减轻磨损 C. 冲洗作用 D. 密封作用 参考答案:B
第23题: [多项选择]有关屈光性近视的说法正确的是( ) A. 角膜曲率过大,眼轴长度在正常范围 B. 晶状体曲率过大,眼轴长度在正常范围 C. 角膜或晶状体曲率过大,眼轴长度正常 D. 眼轴长度超出正常,而角膜曲率在正常范围 E. 眼轴长度超出正常,而晶状体曲率在正常范围 参考答案:A, B, C