619.To save the drowning child,the boy plunged into the icy water without hesitation,_______ his own safety.
A.despite of
B.regardless of
C.unaware of
D.because of
620.____ me,I don't feel pressured to study English.Instead,I enjoy it.
A.As though
B.As for
C.As with
D.As if
619.答案是B;
考查介词短语在具体语境中的运用。Despite of尽管,虽然;regardless of不管,不顾;unaware of没有意识到。
620.答案是B;
as for sb./sth.或as to sth.就…而言,关于。