【单选题】What a shame for me when someone standing next to me heard a flute and I heard nothing _____. [ ]
【简答题】单体的相对活惯上用______判定,自由基的相对活性用______判定,在用Q、e值判断共聚行为时,Q值代表______,e值代表______;若两单体的Q、e值接近,则趋于______共聚;若e值相差大,则趋于______共聚。Q -e 方程的不足是______。
【简答题】原值比例表示图与实物的大小____,比例中,1 :2是____比例。
【简答题】嵌顿的疝内容物为部分肠壁的疝称为____疝。
【简答题】嵌顿的疝内容物为部分肠壁的疝称____疝。
【单选题】I ()supper when I()someone knocking at the door.
C.
was making . . . was hearing
D.
was making . . . heard