Although metals________widely in qualiti
题型:选择题
问题:
Although metals________widely in qualities such as strength and hardness,they all have certain qualities in________.[ ]
A. vary;general
B. differ;common
C. react;particular
D. refer;detail
Although metals________widely in qualities such as strength and hardness,they all have certain qualities in________.[ ]
A. vary;general
B. differ;common
C. react;particular
D. refer;detail