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问题 单项选择题

螺杆式压缩机试运转时，油泵运转正常，油压保持( )MPa(表压)。

A．0.1～0.15

B．0.15～0.3

C．0.3～0.45

D．0.45～0.6

答案

参考答案：B

问答题

Tunga and Tymon are in an ordinary partnership. Tunga approaches Kudzai and acting in his capacity as a partner borrows $20 billion from him for partnership purposes. Neither Tunga nor the partnership subsequently return the loan when it is due.Kudzai institutes proceedings against the partnership but Tymon opposes the action on the basis that what Tunga did was not binding on him and the partnership. Notwithstanding his opposition judgment is granted against the partnership.In the meantime Kudzai tries to execute against the partnership property but he only recovers $10 billion after which the partnership property is exhausted. Kudzai who is not aware of any properties personally held by Tunga decides to proceed against Tymon’s vast properties, which are known to him.Required:In relation to the law of partnerships, advise on whether:

(b) it is appropriate for Kudzai to proceed against Tymon’s personal properties.
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选择题

下列有关溶液的说法中，正确的是（　　）

A．已达到饱和的氯化钠溶液中不能再溶解其他物质

B．20℃时，50克水中溶解了18克氯化钠，则20℃时氯化钠的溶解度为18克

C．任何饱和溶液，在温度升高时，一定会变成不饱和溶液

D．相同温度时，同种溶质的饱和溶液一定比它的不饱和溶液浓
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