大脑的()。
A.灰质在大脑的外层
B.灰质在大脑的内部
C.白质在大脑的外层
D.白质在大脑的内部
参考答案:A, D
Most of the roads were covered with thick snow, ____ made our journey more difficult.
A.one
B.it
C.which
D.that
我行造价咨询业务具有的品牌优势有()。
A.公正客观
B.值得信赖
C.合法合规
D.全国联网