【简答题】分析下图所示逻辑电路的功能,并改用异或门完成该功能。
【单选题】______ there were so many options, everyone was satisfied.
【判断题】高碘酸有强氧化性,必须在碱性条件下,氯气才能将碘酸盐氧化为高碘酸盐。
【单选题】Last Sunday, My friend and I drove to the Summer Palace in Beijing. We found there were so many
A.
244. Last Sunday, My friend and I drove to the Summer Palace in Beijing. We found there were so many cars here and there and we couldn’t find a place to _______ the car in. A.pause
【单选题】It was Sunday and there were so many people in the streets that he found it difficult to _____ to the post office. [ ]
【单选题】Although there were so many people in the square, I could _____ my friend the moment he appeared. [ ]
【单选题】Sitting at the corner of the meeting room, he looked sad because there were so many problems ________.
C.
remaining to be settled
D.
remained to be settled
【单选题】There were so many cars held up by the heavy rain on the road that we had no but to wait.