【单选题】It took a lot of imagination to come up with such an ______ plan.
【单选题】It took him a lot of imagination to come up with such an ______ plan, a man with less intelligence wouldn't have done so.
【单选题】It took a lot of imagination to come up with such an ______ plan.
【多选题】征收反倾销税必须具备的几个条件包括( )。
【简答题】D.C.Lethan和C.O.Miller在1963年首次从未成熟玉米籽中分离出天然的细胞分裂素物质,即______。