第28题: [简答题]People acting together as a group can accomplish things. No individual acting alone could ever hope to accomplish those things. (complex sentence) 参考答案:People acting together as a group can aecomplish things that no individual acting alone could ever hope to accomplish. 答案解析:[解析] 本题考查的是把句子改写为复合句。本题第二句可转化为第一句中things的定语从句。去掉thosethings与前句连接即可,句中that也可省去。
第33题: [单项选择]单纤维电位是()。 A. 双相波开始为负相 B. 三相波开始为负相 C. 双相波开始为正相 D. 波宽10ms E. 波幅固定不变 参考答案:C 答案解析:单纤维电位为双相波,起始相位正相偏转。波宽约为1ms,上升时间小于300μs,波幅不一,取决于活动纤维与记录电极表面之间的距离,可为1~7mV。