— ________ is your new bike?
— I ________ about 900 yuan for it.
A:How many; paid
B:How much; paid
C:How much; took
完成下列单位换算:(1)36V =____ mV = ____ kV;(2)2MΩ = ____ kΩ= ____ Ω.
下列各句中,没有错别字的一项是 ( )