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【单选题】
普鲁卡因过敏延迟反应常见的是A.
寒战
B.
发热
C.
过敏性紫癜
D.
血管神经性水肿
E.
休克
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举一反三
【单选题】I want to buy that kind of cloth because I ______ the cloth _______ well . [ ]
A.
have told, washes
B.
was told , washed
C.
have been told, washes
D.
was told, washes
【单选题】_________ different colors is their full-time job.
A.
Dyeing cloth
B.
Dyeing cloth into
C.
Dying cloth
D.
Dying cloth into
【单选题】Mrs Green wants to buy that kind of cloth because she ____ that the cloth ____very well .
A.
has been told ; washes
B.
is told ; is washed
C.
has been told ; is washed
D.
is told ; is washed
【单选题】下列关于云数据库的描述,哪个是错误的?
A.
云数据库是部署和虚拟化在云计算环境中的数据库
B.
云数据库是在云计算的大背景下发展起来的一种新兴的共享基础架构的方法
C.
云数据库价格不菲,维护费用极其昂贵
D.
云数据库具有高可扩展性、高可用性、采用多租形式和支持资源有效分发等特点
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