He wasn't feeling well. He had to _______爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

He wasn't feeling well. He had to ______. [ ]

A. stop working

B. stops working

C. stops to work

D. stop to work

答案

答案：A

多项选择题

Sjogren综合征是一种侵犯哪些腺体为主的自身免疫性疾病（）

A.胃腺

B.颌下腺

C.腮腺

D.泪腺

E.肠腺

单项选择题

直流电动机旋转方向的判断是用（）。

A.左手定则

B.右手定则

C.右手螺旋定则