Ironismoreusefulanyothermetal.A.as B.than C. then

Castironhaspoorcorrosionresistancetoseawaterespeci

east iron is a cheap material cast iron can pollute sea water cast iron has mere corrosive than bronzes to sea water cast iron is more corrosive to sea water when it meets with bronzes

Exerciseis________asanyothertoloseunwantedweight.

so useful a way as a useful way as useful a way such a useful way

Exerciseis______asanyothertoloseunwantedweight.

so useful a way 　 as a useful way 　 as useful a way 　 such useful way

PopeyetheSailorfirstbecameapopularcartooninthe1930

PopeyetheSailor大力水手firstbecameapopularcartooninthe

Ofallthefourdictionarieswhichdoyouthinkis________?

most useful the most useful more useful the more useful

PopeyetheSailorfirstbecameapopularcartooninthe1930

Thepurposethatthewriterwrotethisarticleforis______

to tell people that trees are very useful to man to warn people not to cut down trees any more to warn that man mustn't destroy forests any more to explain how trees help to prevent drought and floods

PopeyetheSailorfirstbecameapopularcartooninthe1930

PeopletheSailorfirstbecameapopularcartooninthe1930

Hesaidhewouldn’tangrywithme________.olonger

any more no more n

PopeyetheSailorfirstbecameapopularcartooninthe1930

Exerciseis______asanyothertoloseunwantedweight.

so useful a way 　 as a useful way 　 as useful a way 　 such useful way

PopeyetheSailorfirstbecameapopularcartooninthe1930

Themetalthathasbeenmostimportanttomanisiron铁.Likem