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【单选题】
在锅炉尾部设置( ),利用烟气余热加热锅炉给水。A.
空气预热器
B.
蒸汽过热器
C.
水冷壁
D.
省煤器
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举一反三
【单选题】Judging from the context, the word 'they' (line 2, Para. 4) refer to ______.
A.
The security risks
B.
The terrorist attacks.
C.
Environmental hazards of over-centralization.
D.
The security risks, economic expenses, and environmental hazards
【单选题】It can be inferred from the context that the 'flip side' (Line 4, Para. 2) refers to______.
A.
the disadvantages of being married
B.
the emotional problems arising from marriage
C.
the responsibility of taking care of one's family
D.
the consequence of a broken marriage
【单选题】Judging from context, the phrase' global cuisine' ( Line 5, Para. 4) probably means ______.
A.
a world of young people
B.
a world style. of cooking
C.
a specific food popular in the world
D.
world foods in general
【单选题】Judging from the context, the word 'they'(Line 2, Para. 4) refers to______.
A.
the security risks
B.
the terrorist attacks
C.
environmental hazards of over-centralization
D.
the security risks, economic expenses, and environmental hazards
【单选题】'Watchdog' (Line 1, Para 4 ) means ______from the context.
A.
a specially trained dog
B.
an administrative bureau
C.
a technical institute
D.
a court
【简答题】莫扎特是古典主义时期( )的代表人物之一。
【单选题】It can be inferred from the passage that foraminifers (Line 6, Para 4) are a ______.
A.
kind of weather pattern
B.
species of tundra plant
C.
form. of sea life
D.
type of miniature penguin
【单选题】It can inferred from Para. 4 that the author is________.
A.
dubious about the expert's claim
B.
opposed to tax cuts
C.
doubtful about the effectiveness of the new pills
D.
happy about the economic situation
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