题目内容

They won't get there______ next Tuesday.

A. on
B. until
C. since
D. in

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Vegetables sold at this shop ______usually fresh and cheap.

A. is
B. are
C. do
D. does

开放性气胸首要处理原则是( )

A. 胸膜穿刺
B. 清创
C. 预防性应用抗生素
D. 紧急封闭伤
E. 胸腔闭式引流

What type of accommodation can't you bring

A roulette.
B. A tent.
C. A bungalow.
D. A van.

考虑到毒物扩散的危险性,危险物质分类中将( )定义为第8种危险物质。

A. 有毒品
B. 有害品
C. 毒性物质
D. 剧毒品

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