457.Though he started late,Mr.Guo played the piano as well as,if ______,Miss Liu.
A.not better than
B.not better
C.no better than
D.no better
458.I'd like to have _____ car.The one I have got keeps breaking down.
A.a reliable
B.a more reliable
C.a most reliable
D.the most reliable
457.答案是A;本题考查形容词，副词的比较级。由选项中better可知，Miss Liu前应有than;not better than不比…更好；而no better than…一样都不好。
458.答案是B;由The one I have got keeps breaking down得知，想要辆更高级的车。
