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【单选题】
下列关于自流式凝结水系统的说法错误的是（）。A.
自流式凝结水系统是依靠管网始末端的位能差作为动力，将各用户的凝结水送至锅炉房的凝结水箱或凝结水泵站的水箱中去
B.
自流式凝结水系统又可分为低压自流式凝结水系统、高压自流式凝结水系统和管凝结水系统
C.
低压自流式凝结水系统中凝结水箱为水箱，一般设置在厂区最低处的锅炉房或凝结水泵站内
D.
管凝结水系统中，蒸汽凝结水进入离地面2～3m高的二次蒸发箱内，首先分离出二次蒸汽并将此部分蒸汽送入低压采暖系统加以利用，剩余的凝结水依靠位能差自流返回至凝结水箱
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举一反三
【简答题】Amaranth is a hardy plant that grows in ________.
【单选题】用电光天平称物。天平的零点为 - 0.3 mg ,当砝码和环码加到 11.3500 g 时,天平停点为 +4.5 mg 。此物重为( )
A.
（ A ） 11.3545g
B.
（ B ） 11.3548g
C.
（ C ） 11.3542g
D.
（ D ） 11.0545g
E.
（ E ） 11.354g
【简答题】Which of the following statements is NOT true of Bruce Hardy?
【多选题】The statements about T. Hardy are true______.
A.
T. Hardy was once a builder.
B.
Tess of the D’ Urbervilles could be regarded as the summit of T. Hardy's realism.
C.
The Dynasts is T. Hardy's great epic-drama.
D.
The Wessex Novels describe the characters and environment of T. Hardy's native countryside.
【多选题】The statements about T. Hardy are true______.
A.
T. Hardy was once a builder.
B.
Only Tess of the D’ Urbervilles could be regarded as the summit of T. Hardy's realism.
C.
The Dynasts is T. Hardy's great epic-drama.
D.
The Wessex Novels describe the characters and environment of T. Hardy's native countryside.
【单选题】用电光天平称量时,天平的零点为-0.3mg,当砝码和环码加到 11.3500g 时,天平停点为+4.5mg。此物重为()
A.
11.3545g
B.
11.3548g
C.
11.3542g
D.
11.0545g
【单选题】用电光天平称量时，天平的零点为-0.3mg，肖砝码和环码加到11.3500g时，天平停点为+4.5mg。此物重为( )。
A.
11.3545g
B.
11.3548g
C.
11.3542g
D.
11.0545g
【单选题】Hardy himself divided his novels into three groups, Tess of the D’Urbervilles belongs to his _______.
A.
novels of characters and environment of his native countryside
B.
novels of romances and fantasies
C.
novels of ingenuity
D.
novels of lyrical inspiration
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