搜题请搜索小程序“爱下问搜题”
问题
填空题
绞车司机、运输司机要经过培训、（）、持证上岗。
答案
参考答案：
考试合格
补全对话，情景问答
给下列的问句选择合适的答语。
( ) 1. What are you doing?
( ) 2. What is he doing?
( ) 3. Where is he going?
( ) 4. What is Amy doing?
( ) 5. Are they dancing?
A. He is drawing pictures.
B. No, they aren't.
C. I am cooking dinner.
D. She is reading a book.
E. He is going to the shop.
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单项选择题
固体物料的一步制粒应采用（）.
A．挤压过筛制粒法
B．流化沸腾制粒法
C．搅拌制粒法
D．干法制粒法
E．喷雾干燥制粒法
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