2017年为淮北矿业煤炭主业升级“四化三减”（）年。
A.深化
B.提升
C.攻坚
D.创新
参考答案：C
用括号内所给词的适当形式填空
1. Please bring some __________(tomato) to me.
2. I like hamburgers but my brother __________(like) French fries.
3. Mom needs some __________(broccoli) for dinner.
4. Let's __________(have) strawberry salad for lunch.
5. The food here __________(be) very nice.
测定化妆品的细菌总数时，如果所有稀释度的平皿均无菌生长，报告数为每克或每毫升
A．OCFUB．＜1CFUC．1CFUD．＜10CFUE．10CFU
