焦炭产率过高,破坏催化裂化的()平衡。
A.压力
B.物料
C.热
D.相
参考答案:C
I like those photos of flowers that you ______ in Botanic Garden(植物园)last week.[ ]
A. take
B. took
C. would take
D. were taken
一般来说,容易引起员工申诉的主要原因有()
A.雇用的经济条件
B.遭受的不平等待遇
C.个人与班组成员之间的关系
D.公司的经济状况