某童装厂第一车间生产童装489件,第二车间生产童装479件,每8件装一箱,一共要装多少箱?
(489+479)÷8,
=968÷8,
=121(箱).
答:一共要装121箱.
Jane warns us that our group is going to be very tired and dirty by the afternoon and she is right. However, the evening makes it all ______.
A.favorable
B.worthwhile
C.precious
D.essential
COPD的主要病理改变正确的有()
A.早期气道上皮坏死,溃疡形成
B.纤毛变性倒伏、变短、部分脱落
C.缓解期上皮增生、修复,鳞状化生
D.杯状细胞数目增多,支气管腺体增生肥大,分泌亢进
E.腺体肥厚,与支气管壁的厚度比值常大于0.85