维持人体内脏位置相对固定,主要是哪个脏器的功能()
A.肝
B.心
C.脾
D.肺
E.肾
参考答案:C
So far greater change over the past two decades is that Arabs today enjoy ______ to information and,
especially, debate.[ ]
A. application
B. assistance
C. approach
D. access
具体来讲,输油臂的控制是通过电气/液压装置实现的。