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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】On the heels of E1 , its opposite, La may soon arrive. In a Weekly Update, scientists at the NOAA Climate Prediction Center reported that as the 2006-2007 E1 faded, surface and subsurface ocean temper...
A.
the area most seriously hit by La
B.
the first area influenced by La
C.
the only area monitored by satellites
D.
the biggest area with a complex climate
【单选题】On the heels of E1 , its opposite, La may soon arrive. In a Weekly Update, scientists at the NOAA Climate Prediction Center reported that as the 2006-2007 E1 faded, surface and subsurface ocean temper...
A.
frequency
B.
intensity
C.
duration
D.
route
【单选题】钢轨与轨枕间的连接扣件，应具备以下（）性能。
A.
一定的压力足够的弹性
B.
足够的压力和弹性，并有一定的轨距调整量
C.
足够的弹性，并具有一定的轨距水平调整量
D.
足够的扣压力，适当的弹性，具有一定的轨距和水平调整量