【简答题】在逻辑电路中,正逻辑指的是用 1 表示 ,用 0 表示 ,负逻辑则反之。
【单选题】Must we finish all the homework today or tomorrow? – You ____ worry about it. You may hand it in next week.
【单选题】逻辑电路的信号有两种状态:一是高电位状态,用“1”表示;另一种是低电位状态,用“0”表示.关于这里的“1”和“0”下列说法中正确的是
A.
“1”表示电压为1 V,“0”表示电压为0 V
B.
“1”表示电压为大于或等于1 V,“0”表示电压一定为0 V
C.
“1”和“0”是逻辑关系的两种可能的取值,不表示具体的数字
D.
“1”表示该点与电源正极相连,“0”表示该点与电源负极相连
【单选题】– What did Mr. Brown say just now? – He asked us .
A.
who had an iPad in hand
C.
if we are interested in painting
D.
that we must do homework on time
【简答题】单词拼写 小题1:The two students are always o________ in doing a lot of exercises so as not to have any time to do physical exercise. 小题2:Only the members of the club have the p_____________ of using the gro...