毛坯尺寸与零件图对应尺寸之差称为工序余量。( )

Food is very important．Everyone needs to  21 well if he or she wants to have a strong body．Our minds also need a kind of food．This kind of food is  22 ．We begin to get knowledge even  23 we are very young．Small children are  24 in everything around them．They learn  25 while they are watching and listening．When they are getting older，they begin to  26 story—books，science books，anything they like．When they find something new，they love to ask questions and  27 to find out answers．What is the best  28 to get knowledge? If we learn by ourselves，we will get  29 knowledge．If we are  30 getting answers from others and do not ask why，we will never learn well．When we study in the right way．we will learn more and understand better．

小题1:	A．sleep B．read C．drink D．eat

小题2:	A．sport B．exercise C．knowledge D．meat

小题3:	A．until B．when C．after D．so

小题4:	A．interested B．interesting C．weak D．better

小题5:	A．everything B．something C．nothing D．anything

小题6:	A．lend B．read C．learn D．write

小题7:	A．try B．have C．refuse D．wait

小题8:	A．place B．school C．way D．road

小题9:	A．little B．few C．many D．the most

小题10:

A．never B．always C．usually D．sometimes