当油品的粘度指数高于（）时，这种表示油品粘温性质的方法就不太适用了。
A.90
B.100
C.50
D.70
参考答案：B
If he succeeded ____ a job, his children wouldn’ t be suffering
from hunger now.
A．to find
B．to look for
C．in finding
D．in looking for
从内在属性上看，职业道德具有什么？
