当x=5时,x2=______,2x+8=______.
当x=5时,x2=52=25,
当x=5时,2x+8=2×5+8=18.
故答案为:25,18.
----- Why hasn’t she come to the party?
----- I’m afraid she can’t. She is _______ in preparing her graduation paper.
A.covered
B.filled
C.occupied
D.crowded
属于化学药剂养护技术的是()
A.摊晾法
B.石灰干燥法
C.地下室贮藏法
D.硫黄熏蒸法
E.高温烘燥法