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【单选题】
3 9 .运用身边熟悉的人及人际关系进行客户开拓的方法是( )。
A.
缘故法
B.
陌生拜访
C.
介绍法
D.
信函法
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参考答案:
举一反三
【单选题】当溢流阀作安全阀使用时,溢流阀的调定压力比系统压力
A.
B.
C.
等于
D.
小于或等于
【单选题】The long years of food shortage in this country have suddenly given way to apparent abundance. Stores and shops are choked with food. Yet, instead of joy, there is widespread uneasiness and confusion:...
A.
The abundant food supply is not expected to last .
B.
Britain is importing less food.
C.
Despite the abundance, food prices keep rising.
D.
Britain will cut back on its production of food.
【单选题】The long years of food shortage in this country have suddenly given way to apparent abundance. Stores and shops are choked with food. Rationing is virtually suspended, and overseas suppliers have been...
A.
people are buying less food
B.
the government is providing less support for agriculture
C.
domestic food production has decreased
D.
imported food is driving prices higher
【判断题】当系统压力小于溢流阀的调定压力时,阀处于关闭状态而不起恒压作用。( )
A.
正确
B.
错误
【简答题】右图所示为 级调压回路,当电磁阀2 (通、断)电时,系统压力由先导式 溢流阀的先导阀来调节;当电磁阀2 (通、断)电时,系统压力由直动式溢流阀 (填数字)来调节。能实现 级调压的前提条件是,直动式溢流阀的调定压力 (大于、小于)先导式溢流阀的先导阀 的调定压力。
【单选题】当溢流阀作安全阀使用时,溢流阀的调定压力比系统的工作压力( )
A.
B.
C.
等于
D.
小于等于
【单选题】___ Sunday, I went back home ___.
A.
On last, late
B.
Last, lately
C.
Last, late
D.
The last, lately
【判断题】目前英国家庭的宽带普及率已达到99%。( )
A.
正确
B.
错误
【判断题】当系统压力小于溢流阀的调定压力时,溢流阀处于关闭状态而不起恒压作用。
A.
正确
B.
错误
【单选题】The long years of food shortage in this country have suddenly given way to apparent abundance. Stores and shops are choked with food. Rationing is virtually suspended, and overseas suppliers have been...
A.
to show the reason of food shortage
B.
to explain the conflict between the surplus of food Supply and rising prices
C.
to show the deteriorating living conditions of farmers
D.
to analyze the market demand for food supply
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