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搜题
【单选题】
基础代谢率相对值的正常范围是
A.
±30%~±40%
B.
±10%~±15%
C.
±20%~±30%
D.
±40%~±50%
E.
±15%~±50%
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举一反三
【简答题】I have lived here —— more than twenty years.
【单选题】I have lived here ______ I was born .
A.
for
B.
that
C.
since
D.
which
【单选题】I have lived here()1997.
A.
for
B.
since
C.
from
【简答题】门式刚架的梁、柱多采用 [填空(1)] ,可以节省材料A. 变截面杆件
【简答题】门式刚架斜梁之间一般采用______连接;吊车梁与刚架连接处栓孔一般加工成______形状。
【单选题】I have lived here for so long that I look upon the town _____ my home .
A.
for
B.
as
C.
by
D.
to
【多选题】原理图中无法引用原理图库中器件的原因可能有
A.
原理图库文件未保存
B.
原理图文件未保存
C.
原理图库文件未保存到工程文件夹下
D.
需要手动安装库文件
【简答题】关于门式刚架中设置摇摆柱,以下( )的描述是错误的。 A )单脊双坡多跨刚架,用于有桥式吊车房屋时,刚架柱不高且风荷载不大,中柱宜采用的摇摆柱; B )摇摆柱与梁的连接构造简单; C)中柱为摇摆柱,体现“材料集中使用”原则。 D) 摇摆柱不参与抵抗侧力,截面小。
【单选题】I have lived here ____ thirty years.
A.
since
B.
for
C.
until
D.
before
【单选题】I have lived here _____ five years. [     ]
A.
since
B.
in
C.
after
D.
for
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