绘图题：画出三绕组变压器等值图。

情景交际。( 共5小题, 每小题1分, 满分5分 )

Michael: Dad, why don’t we go to school by car?

Dad: Well, I think we ought to walk instead of driving a car.    小题1:  

Michael: You mean we can do something to protect

the environment. Right?

Dad: Yes.  ­小题2:  

Michael: For example?

Dad: Animals are our friends.   小题3:  

Michael: That’s easy. What’s next?

Dad: We can help collect waste batteries（电池）.

Michael:    小题4:  

Dad: Well, waste batteries let out harmful things and pollute the environment.

Michael: Thanks, dad.    小题5:   

家庭药箱可以完全代替医生，有病不用求医，可以作到自己诊断、自己治疗。[ ]

往复式发动机

生物群落是植物、动物、微生物有序协调统一的群体。 ( )

全面结算会员期货公司可以根据非结算会员的客户要求调整保证金标准。( )