PartIVTranslation
Yetcowboyslikedtheirwayoflife.Theylivedinawildandopencountry.Theylivedalifeofadventureandfreedom.(PassageThree)
尽管如此，牛仔们喜欢他们的生活方式。他们住在旷野中，过着自由、冒险的生活。
暂无解析
Part IV Translation
As the source of aluminum is almost inexhaustible, we can expect that more and more uses will be found for this versatile metal. (Passage Two)
Iamafraiditwasa____foryoutodothis.
I certainly didn ’t intend to _____ your plans.
PartIVTranslation
Itwouldhavebeendifficultforthemtoavoidtheconclusionthatthehorseandmulepopulationwoulddeclinerapidly.(PassageFour)
Thismountainrangehasmanyhigh_____andfertilevalleys.
