Cement is produced (commercially) by (to heat) a mixture of limestone and clay (in a) large,(slowly rotating) cylindrical furnac

admin2004-12-29 101

问题 Cement is produced (commercially) by (to heat) a mixture of limestone and clay (in a) large,(slowly rotating) cylindrical furnace.

选项 A、commercially
B、to heat
C、in a
D、slowly rotating

答案B

解析

转载请注明原文地址:https://kaotiyun.com/show/gd8O777K

托福（TOEFL）

相关试题推荐

随机试题

最新回复(0)