当前广泛用于废塑料热解的催化剂主要是()。
A.硅铝类
B.SASA
C.ZREY
D.ZHY
参考答案:A
The computers in the other shop will be ______, but ______ as those in this shop.
A.cheaper; not as better
B.more cheaper; not as better
C.cheaper; not as good
D.more cheap; not as good
无正当理由拖欠房租( )个月以上的,其租赁合同可终止。
A.2
B.3
C.5
D.6