皮皮学,免费搜题
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搜题
【单选题】
控制主塔塔液位主要原因是为了防止( )。
A.
蒸汽浪费大
B.
淹塔液泛
C.
压力小
D.
甲醇收率降低
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【判断题】新配制的培养基可以放置一段时间再灭菌。
A.
正确
B.
错误
【单选题】下列工艺流程图符号所代表的设备、管线、管件的名称是( ).
A.
气动阀
B.
电动阀
C.
气液联动阀
D.
电磁阀
【简答题】Read and match. 给问句找答语。 (     ) 1. Where do you live? (     ) 2. What are you wearing? (     ) 3. How tall is Jenny? (     ) 4. How old are you? (     ) 5. What colour are your shoes? A. They are gree...
【简答题】What do you think of the suggestion that we (finish) work before lunch?
【单选题】下图管件的名称是:
A.
堵头
B.
管帽
C.
法兰盖
D.
盲板
【判断题】汽车空调系统中的贮液干燥器安装在蒸发器上( )
A.
正确
B.
错误
【单选题】听力原文:What's your hobby? (14)
A.
Sorry.
B.
What do you think?
C.
Swimming.
【简答题】What do you think of the suggestion that we (finish) work before lunch?
【单选题】汽车空调系统中空气过多可造成( )
A.
蒸发器结霜
B.
空调系统制冷量不足
C.
压缩机无法启动
D.
冷冻油消耗量增加
【简答题】Read para. 9-14 answer the questions. 1. What is the consequence of refusing to be educated? 2. Why do people need to learn form the past? 3. What do you need to know to be a civilized man?Find textua...
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