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【单选题】
使用海上撤离系统的注意事项包括()。①下滑时应按照船员的指导采取正确的姿势,防止扭伤手臂和大腿;②在船员指引下迅速登上救生筏;③滑到下面的平台后,应尽快向两边移动,不要影响其他乘客撤离;④全体乘客在船员的引导下,在救生滑道附近的登乘口处集合;⑤同时滑道以节约时间
A.
①②③⑤
B.
①②③④
C.
①②③④⑤
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举一反三
【单选题】What does Ms. Davies mean by saying 'Non-fiction as it is cutting off a whole route into reading, especiaily for boys.'?
A.
Young people, especially boys can't easily get access to good books of non-fiction.
B.
A lot of good non-fiction books are coming out into the market.
C.
Such kind of non-fiction are eroding into the reading habits of young people especially boys.
D.
Non-fiction books have been isolated from our reading experience.
【单选题】在子宫脱垂的原因中,下列哪项是主要原因
A.
营养不良
B.
长期咳嗽
C.
从事久站体位劳动
D.
长期久蹲
E.
产伤
【简答题】听下面一段材料,回答第1-3 题. 1. What can we know about the woman from the conversation? A. Curious. B. Talkative. C. Helpful, 2. What is the conversation about? A. Computer sales. B. A job interview. C. An Inter...
【简答题】缺水的现状 2. 缺水的原因 3. 缺水问题的解决办法。 Water Shortage in China
【单选题】水硬性混合料是由细骨料、粗骨料、少量胶凝材料和少量水等配制,采用滑膜摊铺或摊铺碾压工艺后具有()以上相对密实度的支承层材料。
A.
95%
B.
96%
C.
98%
【单选题】Whose statue occupies the centre of Westminster Abbey’s Poets’ Corner?
A.
Geoffrey Chaucer
B.
Samuel Johnson
C.
Charles Dickens
D.
William Shakespeare
【单选题】______ was the first writer who was buried in the area now known as the Poets' Corner
A.
Caedmon
B.
Cynewulf
C.
G. Chaucer
D.
W. Langland
【单选题】砂浆是由胶凝材料、( )和水等组成的混合物。
A.
细骨料
B.
粗骨料
C.
石头
D.
水泥
【简答题】A shelf contains only books of poetry, short stories, and non-fiction. If Jana draws a book randomly off the shelf, what is the probability that the book will be non-fiction? (1) There are 15 books on...
【简答题】通过学习化学,我们了解了某些物质的性质以及物质之间的相互转化关系。如图中的物质均为初中化学常见的物质。其中甲、乙、丙、丁、戊均为单质,丙是空气中含量最多的物质;常温下,丁为黑色固体,戊为紫色金属;G是一种具有刺激性气味的气体,其水溶液显碱性,工业上用甲和丙化合制备G;农业上常用F改良土壤(如图中部分反应条件已省略)。回答下列问题: (1)D为 ;G为 . (2)H和E反应生成C和戊的化学方程式为 ...
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