—Is that a car? —Yes, ______.[ ] A. that_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

—Is that a car?

—Yes, ______. [ ]

A. that is

B. is it

C. it is

答案

答案：C

解答题

解方程：（x-1）（x+3）=12．

问答题简答题

简述咽后脓肿的主要临床表现及其危险性。