汽化冷却优势有()。
A、节省冷却水
B、消除钢坯上的水冷黑色印
C、炉子的热损失少
D、冷却部件的寿命提高
参考答案:A, B, C, D
根据汉语提示完成单词。
1.I (意识到)that it doesn't matter if you trouble him. Because he is a kind man.
2. They are talking about learning the (挑战).
3. (或许)the policeman knows where she is.
4. At last, the student understood the meaning of the story____(完全地):
5.Our teachers are very____(感动).
夸美纽斯为6-12岁的儿童设计的学校是()