炉顶空间温度的高低,将影响化学产品的产率和质量,以及炉顶石墨生成情况。
参考答案:对
下列诗句中反映一个人积极情绪的是 [ ]
A.感时花溅泪,恨别鸟惊心
B.国破家何在,城春草木深
C.好雨知时节,当春乃发生
D.更喜岷山千里雪,三军过后尽开颜
Our multi-skilled CEO has distinguished ______ yet again by winning the coveted Brookings Award for innovation in business.
A. heB. hisC. himD. himself