从《史记》、《资治通鉴》中均可查阅到的历史资料是（）。 ["齐桓公葵丘会盟","西汉设置西域都护府","安史之乱","屈原愤投汨罗江"]
神经症中的易激惹症状，包括（） ["易发怒","易伤感","易烦恼","易委屈","易愤慨"]
Which one of the following files contains records that do not meet the specified load criteria in the SQL*Loader control file？（） ["Log file","Discard file","Parameter file","Bad file"]
计算发芽率的公式是（）。 ["规定天数内发芽种子粒数\/供试种子粒数x100","发芽种子粒数\/供试种子粒数x100","每日发芽种子粒数\/供试种子粒数x100","全部种子粒数\/供试种子粒数x100"]
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（） ["0 ps\/nm","340 ps\/nm","200 ps\/nm","3400 ps\/nm","More information is needed."]
变电站的直击雷过电压保护一般采用（），而为防止雷电侵入波一般采用（）。
