1.b> , ; i> / / ; the highest grade of development / ;
2.b> ; ; grades of military rank ; a major is one grade higher than a captain ;
3.b> ; a high grade of intelligence ; a poor grade of oats .i> ;
4.b> .i> 1) (i>); he is in the fifth grade now ;
2) (the grades) = grade schoolr>;
5.b> .i> , (i> ..i>); to give smb. the highest grade / "" ;
6.b> .i> .-.i> ;
7.b> 1) i> ; up grade , (.i> .i>); down grade , , (. .i>); on the up grade , ..i>; ; on the down grade , ..i>; ;
2) .i> ;
3) , ..i> ;
8.b> .i> ;
9.b> .i> ; full grade i> ; reduced grade i> ;
grade chevron .i> ;
to make the gradeb> ) , ; ) ; ) ; ; at gradeb> .i> i>.