问题
单项选择题
湿颗粒不能采用的干燥方法是（）
A.烘干干燥
B.喷雾干燥
C.减压干燥
D.沸腾干燥
E.红外干燥
答案
参考答案：B
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湿颗粒不能采用的干燥方法是（）
A.烘干干燥
B.喷雾干燥
C.减压干燥
D.沸腾干燥
E.红外干燥
参考答案：B
| 用方框中所给词的适当形式填空。 | |
2. I go to school on foot everyday _____ when it rains. 3. All of them are busy _____ for the coming exam. 4. Jack is going to _____ the class preselect. 5. Do you still _____ your friends from college? 6. The dogs put their ears _____ up when they are grateful. 7. I did it _____ he told me to. 8. I _____ you not to tell him about it. 9. He went to school as usual _____ I didn't feel very well. 10. I left my keys in the office, _____ I had to wait until mother came back. |