第3题: [单项选择]Rock climbing is so popular now that many people are able to ______ the steepest face with great agility. A. scale B. surpass C. overcome D. mount 参考答案:A 答案解析:scale攀登,爬越;surpass超越,胜过;overcome战胜;mount登上。
第4题: [单项选择]传感器灵敏度越高,表示该传感器()。 A. 工作频带越宽 B. 单位输入引起的输出量越大 C. 线性范围越宽 D. 允许的输入量越大 参考答案:B
第10题: [单项选择]In today's class, the students were asked to ________ their mistakes on the exam paper and put in their possible Corrections. A. cancel B. omit C. extinguish D. erase 参考答案:D 答案解析:[译文] 在今天的课上,学生们被要求擦掉试卷上的错误并写上可能的改正内容。
[题解] 动词辨义:cancel“取消,废除;抵消,对消;删去,划掉”;omit“省略,删节;遗漏,疏忽”;extingu