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【单选题】
值班机工必须有谁的书面通知注、排除压载水,注意防止含油污水排出舷外?
A.
大副
B.
值班轮机员
C.
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举一反三
【单选题】高碳钢中,碳质量分数为()。
A.
>0.90%
B.
>0.80%
C.
>0.70%
D.
>0.60%
【单选题】高碳钢中碳的质量分数为
A.
≤0.25℅
B.
≤0.6℅
C.
0.25%~0.6%之间
D.
>0.6%
【单选题】Such exchange students________have a good knowledge of English will not worry about their daily life in America.
A.
who
B.
as
C.
that
D.
/
【单选题】高碳钢中,碳质量分数为( )。
A.
大于0.90%
B.
大于0.80%
C.
大于0.70%
D.
大于0.60%
【单选题】This is a _____ book that you may _____ in daily English study. [     ]
A.
referring; refer to
B.
referring; refer
C.
reference; refer to
D.
reference; refer
【简答题】碳的质量分数小于____的钢为低碳钢,碳的质量分数为____、的钢为中碳钢,碳的质量分数大于____的钢为高碳钢。
【简答题】When did the first daily English newspaper come out? It came out in__________.
【简答题】Match daily English
【单选题】It's my daily duty to have the English newspapers ________ to the senior students. [     ]
A.
  printed
B.
  published
C.
  delieved
D.
  advertised
【简答题】低碳钢的碳质量分数为范围______;中碳钢碳质量分数为范围为______;高碳钢的碳质量分数为范围______。
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