    Sentence i:What‘did Low ‘suggest usivig Apollo. &  for insteAd-of simply orbitinig ithe Earth's surface?:    Sentence 2 The-Soviet. Union had. Sent _anirfials  atoiind :the ‘Mgon .on September-15, 1968; -aboaid,  ‘Zorid,5, and.it was believed they might: soon repeat  ‘the'feat with huitian costnonauts: -    