【判断题】因为MCS-51 可上电复位,因此,MCS-51系统也可以不需要复位电路。
【单选题】修订后的《中华人民共和国食品安全法》从 起施行。
【单选题】He turned around, but he couldn’t see ______. [ ]
【单选题】Why doesn't the suit fit the man?
【单选题】《中华人民共和国食品安全法》从( )起施行。
【单选题】新的《中华人民共和国食品安全法》从( )起施行
【简答题】Why was the bike unusual? Because its wheels were of ______.
【单选题】Why does the speaker say that Kelvin was an unusual teacher at Glasgow University?
A.
Because he was a proud and distinguished professor there.
B.
Because he used unusual ways to help his teaching.
C.
Because other people couldn’t understand his behavior.
D.
Because he didn’t associate with his colleagues.
【单选题】《中华人民共和国食品安全法》从( )起施行。