当宏观经济出现总量失衡时,会出现()。
A.总供给大于总需求
B.总供给小于总需求
C.总需求大于总供给
D.总需求小于总供给
参考答案:A, B, C, D
—I believe we've met before.
—No, _____. I've never seen you before. [ ]
A. it isn't the same
B. it's true
C. I don't think so
D. I believe so
下列关于脑灰质异位的描述,错误的是
A.脑异位灰质与正常灰质同等密度
B.无钙化
C.不强化,与正常脑灰质强化程度一致
D.可单发或多发,单侧或双侧
E.脑异位灰质有正常功能