【单选题】It was _____ that I found my diamond necklace.
C.
in the place that I had left it
【简答题】The Second World War broke out in and ended in .
【单选题】If Roseher diamond in a safer p1ace, itsto1en. ( )
B.
had put ; might not have been
D.
had not put; cou1d not have been
【判断题】铰链四杆机构中,若以最短杆为机架,则该机构一定是双曲柄机构。
【简答题】以“苹果”为创意元素,完成思维导图和不少于20个的图形联想