皮皮学，免费搜题
登录
搜题
【单选题】
医疗器械经营企业不得经营（）的医疗器械。 ①未经注册②无合格证明③过期④失效⑤淘汰A.
①②③
B.
②③④⑤
C.
①②④⑤
D.
①②③④
E.
①②③④⑤
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Conversation Two
A.
They lagged behind in all subjects.
B.
They ranked the 30 th in the test.
C.
They made great progress.
D.
They did worst in reading.
【简答题】当代大学生要成就出彩的人生,应当做到( )。A. 与历史同向; B. 与祖国同行; C. 与人民同在; D. 与他人同往;
【单选题】Conversation Two Questions 12 to 15 are based on the conversation you have just heard.
A.
The worms had another creature in their body.
B.
The worms were 30 feet long with new life forms.
C.
The worms took over the bodies of other creatures.
D.
The worms were threatened by poisonous chemicals.
【简答题】游标卡尺由刀口形的内、外( )和深度尺组成。
【简答题】游标卡尺由刀口形的内、外 和深度尺组成。
相关题目：