statistics seemed to justify the common belief that americans were devoted to periodicals.

[a] generate [b] calculate [c] modify [d] prove

born in 1863, annie fellows johnston wrote stories for juveniles that became very popular and are still widely read.

[a] young people [b] women [c] foreigners [d] sports fans

a dogs sense of smell is keener than that of a human being.

[a] more interesting [b] more acute [c] more appropriate [d] more useful

the rules state that if a boxer is knocked down he must stay for a mandatory eight seconds.

[a] long [b] delayed [c] obligatory [d] crucial

logrolling is a sport in which contestants perform various maneuvers while treading on a floating log.

[a] speeches [b] duties [c] marches [d] moves

keys: 11～15 dabcd