常用工具书中，字典以讲解字形为主，词典以训释字义、词义为（）。
参考答案：主
It is said that the temperature is unusual mainly _______ global warming caused by human activities.
A．in spite of
B．by means of
C．in case of
D．on account of
下列哪些疾病可致阻塞性脑积水（）
A．Arnold-Chiari畸形
B．室间孔阻塞
C．DanDy-Walker畸形
D．蛛网膜下隙粘连
E．中脑导水管狭窄
