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【简答题】
一个单位长度上密绕有 n 匝线圈的长直螺线管,每匝线圈中通有强度为 I 的电流,充满相对磁导率为μ r 的磁介质,磁场强度 H= ( )
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举一反三
【单选题】Which statement is TRUE when comparing cold and warm fronts?
A.
Cold fronts are more violent and of shorter duration
B.
Cold fronts are milder and last longer
C.
They are very similar with the exception of wind direction
D.
Warm fronts are more violent and of longer duration
【简答题】房地产调查的内容包括哪些?
【单选题】干缩性较大，适用于有抗渗要求、大体积的工程，不宜用于耐磨性要求高的工程的水泥是( )。
A.
火山灰质硅酸盐水泥
B.
粉煤灰硅酸盐水泥
C.
硅酸盐水泥
D.
矿渣硅酸盐水泥
【多选题】房地产价格调查的内容包括（）。
A.
房地产市场供求情况的变化趋势
B.
房地产广告的价格高低及广告效果测定
C.
开发个案所在城市及街区房地产市场价格
D.
房地产商品价格需求弹性和供给弹性的大小
E.
影响房地产价格变化的因素，特别是国家价格政策对房地产企业定价的影响
【简答题】 Which of the following statement is NOT true?
【单选题】class Snoochy{ 12.Boochybooch； 13.public Snoochy（）{booch=newBoochy（this）；} 14.} 15. 16.class Boochy{ 17.Snoochy snooch； 18.public Boochy（Snoochys）{snooch=s；} 19.} And the statements： 21.public static ...
A.
None of these objects are eligible for garbage collection.
B.
Only the object referenced by booch is eligible for garbage collection.
C.
Only the object referenced by snoog is eligible for garbage collection.
D.
Only the object referenced by snooch is eligible for garbage collection.
E.
The objects referenced by snooch and booch are eligible for garbage collection.
【简答题】房地产市场调查的内容包括哪些?
【单选题】At 0100 you notice that the wind has become SSW’ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy “18” bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?...
A.
You should alter course to the right to increase the rate of the bearing change
B.
You are making more speed over the ground than you estimated
C.
You should alter course to decrease the distance that you will pass off Middle Ground Shoal
D.
You can hold the present course and safely pass buoy "18"
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