问题
单项选择题
提高料温能改善烧结混合料的透气性是因为()。
A.消除了预热带
B.减少了过湿现象
C.燃烧带变窄
答案
参考答案:B
提高料温能改善烧结混合料的透气性是因为()。
A.消除了预热带
B.减少了过湿现象
C.燃烧带变窄
参考答案:B
根据句意,用方框内词汇填空,使句子完整、正确. | |
2. As the monitor, you must do your _______ and report the truth to the teacher. 3. We found the holiday ________ because of the bad weather. 4. It's not polite to ______ others in trouble. 5. Many students have to _______ the meaning of this word in the dictionary. |