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【多选题】
下列选项，关于大气环境现状监测不同布点方式的监测目的说法正确的是( )。A.
功能布点：将监测范围按工业区、生活区等分为若干功能区，在各功能区内布设监测点
B.
同心圆布点： 以污染源为中心画若干同心圆，再从圆心向各方位以 22.5°角度画出射线，射线与圆周交点可选为监测点
C.
扇形布点：以污染源为中心，沿走向成45°～90°扇形内布设监测点
D.
网络布点：在监测范围内分成若干等面积方形网格，在网格内布设监测点
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举一反三
【单选题】Right at the top is（）It is 300 mm long and 25 mm wide with its upper edgs in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
sunmmer load line
【单选题】Right at the top is___. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
【简答题】请介绍薜萝水榭的楹联
【单选题】Right at the top is ( ). It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
Summer load line
【多选题】Which of the following descriptions about tertiary structure of protein are correct
A.
All polypeptide chains with tertiary structure have biological activities.
B.
Most hydrophilic groups are located on the surface of tertiary structure.
C.
The stability of tertiary structure is maintained by covalent bonds.
D.
T ertiary structure is t hree-dimensional arrangement of all atoms in a polypeptide chain.
E.
Formation of tertiary structure i s the result of interaction between side chain groups of a polypeptide chain.
【多选题】The institutions of the tertiary education are().
A.
high schools
B.
vocational schools
C.
four-year college
D.
graduate school
【简答题】Among the places that produced amber in Tertiary times, Poinar is most interested in_________.
【单选题】Right at the top is the ______. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
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