患儿头颅畸形为
A. 短头畸形
B. 尖头畸形
C. 舟状头畸形
D. 斜头畸形
E. 三角头畸形
The information superhighway came into existence because of ______.
A. copper wire cables
B. satellite communication
C. optical fibers
D. laser and optical fibers
在二级银行体制下,M=( )。
A. 原始存款X货币乘数
B. 基础货币X货币乘数
C. 派生存款X原始存款
D. 基础货币X原始存款
The word "orator" originally meant speaker; but now it signifies the person who makes speech. This is an example of ______.
A. narrowing of meaning
B. widening of meaning
C. meaning shift
D. loss of meaning