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【单选题】
下列哪些是船舶的防水抗沉结构（）。 Ⅰ．舱壁；Ⅱ．双层底；Ⅲ．船体开口的装置。A.
Ⅰ、Ⅱ
B.
Ⅱ、Ⅲ
C.
Ⅰ、Ⅲ
D.
Ⅰ～Ⅲ
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反馈参考答案：
举一反三
【单选题】According to the author, which of the following can often be found in any large English dictionary?
A.
Where all the new words come from.
B.
Where those Germans came from.
C.
The reason why a word has a certain meaning.
D.
The reason why English is spoken around the world.
【单选题】What do we mean by a perfect English pronunciation? In one 【C1】______ there are as many different kinds of English as there are speakers of it. 【C2】______ two speakers speak in exactly the same 【C3】__...
A.
meaning
B.
case
C.
sense
D.
situation
【多选题】2019年打好脱贫攻坚战,要一鼓作气,重点解决好实现“两不愁三保障”面临的突出问题。“两不愁三保障”分别指的是( )和( )有保障。
A.
不愁吃
B.
不愁穿
C.
义务教育
D.
基本医疗
E.
住房安全
【单选题】CSS是指()
A.
.Computer Style Sheets
B.
Cascading Style Sheets
C.
Creative Style Sheets s
D.
Colorful Style Sheets
【单选题】CSS是指( )
A.
Computer Style Sheets
B.
Cascading Style Sheets
C.
Creative Style Sheets
D.
Colorful Style Sheets
【单选题】css是指（）
A.
Computer Style Sheets
B.
Cascading Style Sheets
C.
Creative Style Sheets
D.
Colorful Style Sheets
【多选题】2019年打好脱贫攻坚战,要一鼓作气,重点解决好实现“两不愁三保障”面临的突出问题。“两不愁三保障”分别指的是【 】、【 】,【 】、【 】和【 】有保障。
A.
不愁吃
B.
不愁穿
C.
义务教育
D.
基本医疗
E.
养老保险
F.
住房安全
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