搜题请搜索小程序“爱下问搜题”
问题 单项选择题 配伍题

病变不严重，症状轻微者（）

A.观察

B.保留卵巢功能手术

C.病灶清除术

D.性激素治疗

E.根治性手术

答案

参考答案：A

多项选择题

20世纪70年代，中国在外交领域的成就有( )

A．中法建交

B．恢复在联合国的席位

C．中美两国发表上海联合公报

D．中日两国发表关于建交的联合声明
查看答案
单项选择题

Donna is a mountain biking enthusiast. One Saturday, she spent the morning biking up an uphill trail at an average speed of 20 kilometers per hour, and then returned by the same route in the afternoon at an average speed of 25 kilometers per hour. If the downhill trip in the afternoon took 3/4 of an hour less than the uphill trek in the morning, how many kilometers did Donna ride each way ？（）

A. 50

B. 55

C. 65

D. 70

E. 75
查看答案