问题
单项选择题
磨制烟煤时，磨煤机的出口温度一般控制在（）℃。
A.70
B.80
C.90
答案
参考答案：B
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磨制烟煤时，磨煤机的出口温度一般控制在（）℃。
A.70
B.80
C.90
参考答案：B
选出适当的短语，并用其正确形式填空。
1. His bad habit of drinking and smoking all day _______ his illness. 2. The party wanted to ________ the support it had lost. 3. You shouldn't ___________us like that. You deserved the scolding. 4. The father _______ his four children by working as an accountant in those hard years. 5. Politeness will never be___________, for people with good manners will leave a good impression on others. 6. If people don't stop ______trees in the rainforest, many wild animals will have no place to live in. 7. The poet wrote a poem ______ the national hero, who lost his life for his country. 8. They_____________ on a journey round the Europe since last month. 9. The child should be punished. You shouldn't have him ________ telling lies. 10. The tourists _______ when they saw such a splendid building. |