His carelessness_________ his failure in theexams.

A.nor feared he 　　B.nor he did fear　　C.nor did he fear 　　D.nor did fear he

A.recall 　　B.remind 　　C.remember 　　D.remark

A.up 　　B.up with 　　C.with 　　D.on with

A.lost 　　B.missed 　　C.failed 　　D.dropped

A.point 　　B.speak 　　C.talk 　　D.tell

A.in favor of 　　B.by favor of　　C.in favor to 　　D.out of favor

A.keep you waiting 　　B.having kept you waiting

C.waiting for you 　　D.keep you wait

A.women do as much work as men

B.people think women are weaker than men

C.sport is easier for men than for women

D.in sport the two sexes are always together

A.What would life be like without memory ?

B.Memory is of vital importance to life.

C.How is a person' s memory different from an animal' s or a computer' s?

D.What is contained in memory ?

A."in connection with" B."expressed by"

C."consisting" D."by means of"