Cement is produced (commercially) by (to heat) a mixture of limestone and clay (

游客2024-01-05  29

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://tihaiku.com/zcyy/3335327.html
最新回复(0)