She had a cold, and he had a _____, too.[ ]
A. fever
B. cold
C. stomachache
答案:B
cache存储器一般采用______存储器件构成。
A.DRAM
B.SRAM
C.ROM
D.NVRAM
婴儿的前言语交流同样具有言语的三大基本特性()
A、目的性、约定性和指代性
B、目的性、约定性和概括性
C、抽象性、概括性和指代性
D、抽象性、约定性和指代性