第17题: [单项选择]Why do some young patients run away from doctors A. They have no trust in doctors. B. They cannot afford the medical fee. C. They fear things like injections. 参考答案:C 答案解析:[精解] 题干问:“一些年轻的病人为什么躲避医生”听力材料中提到A psychologist has found 1/10 students fears injections, blood and i
第30题: [单项选择]Recently, great advances have been made in the study of Mars' surface by the use of radar waves to ______ the dense cloud layer. A. hover B. pierce C. penetrate D. plunge 参考答案:C 答案解析:[解析] 语义连贯题。雷达应该是穿过云层,答案选[C]penetrate“透入,渗入”。[A]hover“盘旋,翱翔”,指飞行物在空中盘旋或者飞行;[B]pierce“刺穿,刺透”;[D]plunge