621.I think I will do it myself ____ asking him for help.

A.rather than

B.other than

C.instead of

D.in place of

622.How do you think of the self-defense policy released last week?
It is fine ______ it goes,but it addresses only half of the prevention methods.

A.as long as

B.as far as

C.as well as

D.as often as

621.答案是C;

instead of代替，而不是；而rather than后接动词原形。

622.答案是B;

as far as it goes就其本身而言，就一般标准来说