【简答题】(1)从串口接收缓冲器中将数据读入到变量temp中的C51语句是______。A.temp = SCON; B.temp = TCON; C.temp = DPTR; D.temp = SBUF;
【简答题】函数y=ln(2-x)的定义域为______.
【判断题】照我国现行规定,综合资质、事务所资质不分级别,专业资质只分为甲级、乙级。
【简答题】从串口接收缓冲器中将数据读入到变量temp中的C51语句是 ______ 。A.temp = SCON; B.temp = TCON; C.temp = DPTR; D.temp = SBUF;
【单选题】The new dictionaries are very useful. They ________ well and ________ already .
A.
sell; have been sold out
D.
are sold; have been sold out
【简答题】蓝牙技术是一个_________的通信方法,在理论上,一个蓝牙主端设备,可同时与_______个蓝牙从端设备进行通讯。
【单选题】Being popular with children, these toys ______ well and _____ in two days.
B.
are sold; are sold out
C.
are sold; will be sold out
D.
sell; will be sold out
【多选题】防止砂浆出现和易性差,沉底结硬的措施包括( )。【2006年度二级建造师实务真题】
【判断题】按照我国现行规定,综合资质、事务所资质不分级别,专业资质只分为甲级、乙级。