皮皮学，免费搜题
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搜题
【单选题】
\t采用盐酸萘乙二胺分光光度法测定大气中的氮氧化物时，NO x ，吸收液与（）发生反应，生成玫瑰红色偶氮染料。A.
NO
B.
HNO 2
C.
HNO 3
D.
NH 3
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Try to _______ half an hour every day for something you really enjoy doing. [ ]
A.
set back
B.
set down
C.
set aside
D.
set out
【单选题】It's getting dark. We'd better _____ in a hotel for the night. [ ]
A.
set up
B.
set out
C.
settle down
D.
settle up
【简答题】梁尺寸如图 7-4-11 所示,箍筋配置如图 7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,计算箍筋根数。
【单选题】梁尺寸如图7-4-11所示,箍筋配置如图7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,则共有箍筋( )。
A.
35个
B.
36个
C.
50个
D.
51个
【单选题】'You'd better ______ some money for emergency', she told me.
A.
set back
B.
set about
C.
set down
D.
set aside
【单选题】People a monument to honour those people who devoted their lives to their country.
A.
set out
B.
set down
C.
set up
D.
set on
相关题目：
【单选题】梁尺寸如图7-4-11所示,箍筋配置如图7-4-12 所示,间距200mm,梁两端各1500为加密区间距100mm,则共有箍筋( )。
A.
35个
B.
36个
C.
50个
D.
51个