问题
单项选择题
Her pulse was so weak that the doctor had difficulty（）it.
A.inspecting
B.detecting
C.touching
D.contacting
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
Her pulse was so weak that the doctor had difficulty（）it.
A.inspecting
B.detecting
C.touching
D.contacting
参考答案：B