89C51的特殊功能寄器分布在60H~80H地址范围内。()
参考答案:错
I often _____________ on Sundays. [ ]
A. watches TV
B. watch TV
C. see TV
治疗气虚自汗、体倦乏力的药物是()
A.芡实
B.赤石脂
C.莲子
D.麻黄根
E.黄芪