第29题: [单项选择]子宫内膜异位症的主要临床特点是() A. 痛经继发性和进行性加重 B. 经量增多 C. 经期延长 D. 不孕 E. 子宫增大,硬,高低不平 参考答案:A
第30题: [单项选择]When Tom came in, Mary ______ her talk with Jane and talked to Peter. A. broke off B. broke down C. broke away D. broke in 参考答案:A 答案解析:break off her talk with Jane含义是“中断了和珍妮的谈话”,符合题意,因此选项A正确。