地西泮抗焦虑作用的主要部位是
A.中枢网状结构
B.纹状体
C.下丘脑
D.边缘系统
E.大脑皮层
参考答案:D
Mary made coffee ________ her guests were finishing their meal.[ ]
A.so that
B.although
C.while
D.as if
abb机器人属于哪个国家()
A.美国
B.中国
C.瑞典
D.日本