会员制期货交易所理事会根据需要可以设立的专门委员会包括( )。 A．监察委员会 B

简述锥板式激光衍射法红细胞变形测定仪的工作原理与基本结构。

某地处长江中下游流域的牛场，犊牛散养可自由饮用江水。表现食欲不振，精神不佳，体温上升。高达40～41℃以上，行动缓慢，呆立不动。

该犊牛可能感染的寄生虫是（）

A．姜片吸虫 

B．日本分体吸虫 

C．犊新蛔虫 

D．牛丝虫 

E．牛仰口线虫

阅读理解。

     We all know that certain oils are healthier than others, but your oil health goes beyond just the type.

The health of your oil can be related to how you use it too.

     Each type of oil has what is called a "smoke point". The smoke point is the specific temperature at

which the oil starts to break down, or in more technical terms, its molecular structure begins to change.

These molecular changes result in changes in flavor, as well as changes in nutritional value-specifically,

the nutritional value of the oil starts to reduce, changing what once may have been considered an

especially healthy oil, like olive, into one that is unhealthy.

     The higher an oil's smoke point is, the higher the temperature of the oil can be.As a result, each type

of oil should be used for the cooking method that is most appropriate to its individual smoke point and