main components of lubrication system( ) A: radiator B: oil pump C: antifreeze D: oil pan

Cloud<br/>is to storm as () A: portent<br/>is to disaster B: antifreeze<br/>is to engine C: mortgage<br/>is to ownership D: landmark<br/>is to culture E: immortality<br/>is to life

To avoid loss of antifreeze due to expansion, the cooling system . A: must install a bypass valve B: must not be completely filled C: must be sealed D: must install a pressure control valve