631.There is such a problem _______ we all should _______.
A.as;pay attention to it
B.that;attract our attention
C.as;pay attention to
D.that attract our attention to it
632.Dress warmly,____ you'll catch a cold.
A.on the contrary
B.or rather
C.or else
D.in no way
631.答案是C;such…as引导定语从句，且as充当从句中的宾语。
632.答案是C;on the contrary相反地；or rather更确切地说；or else=or;in no way决不。
