27_________
A. sick
B. nervous
C. angry
D. afraid
第1题:
第2题:
第3题:
第4题:
第5题:
第6题:
The following are the reasons why British coal mining is today called a"sick"industry except()
ABritain has used up almost all coal deposits
Bthe demand for British coal has declined
Cpetroleum,water power,and electric power are replacing coal for many purposes
Dthe old British mines are narrow and deep,making it difficult to sue machines fro mining.