¡¡¡¡have tried recycling to reduce the cost of trash disposal.
¡¡¡¡£¨A£© Because paper of all kinds is the biggest single component of municipal trash£¬ many municipalities have tried recycling to reduce the cost of trash disposal.
¡¡¡¡£¨B£© Because paper of all kinds is the biggest single component in municipal trash£¬ many
¡¡¡¡municipalities tried to recycle so that the cost of trash disposal is reduced.
¡¡¡¡£¨C£© Because paper of all kinds are the biggest single components in municipal trash£¬ many
¡¡¡¡municipalities have tried to recycle to reduce the cost of trash disposal.
¡¡¡¡£¨D£© All kinds of paper are the biggest single components of municipal trash£¬ and so many
¡¡¡¡municipalities have tried recycling to reduce the cost of trash disposal.
¡¡¡¡£¨E£© All kinds of paper is the biggest single component of municipal trash£¬ so many municipalities
¡¡¡¡have tried to recycle so that the cost of trash disposal could be reduced.
¡¡¡¡14. As rare as something becomes£¬ be it a baseball card or a musical recording or a postage stamp£¬ the more avidly it is sought by collectors .
¡¡¡¡£¨A£© As rare as something becomes£¬ be it
¡¡¡¡£¨B£© As rare as something becomes£¬ whether it is
¡¡¡¡£¨C£© As something becomes rarer and rarer£¬ like
¡¡¡¡£¨D£© The rarer something becomes£¬ like
¡¡¡¡£¨E£© The rarer something becomes£¬ whether it is
¡¡¡¡15. Psychologists now contend that the way adults think and feel are determined as much by their peers
¡¡¡¡in early childhood than by their parents.
¡¡¡¡£¨A£© are determined as much by their peers in early childhood than by their
¡¡¡¡£¨B£© are determined as much by peers in early childhood as do their
¡¡¡¡£¨C£© is determined as much by their early childhood peers as by their
¡¡¡¡£¨D£© have been determined by childhood peers as much as their
¡¡¡¡£¨E£© was determined as much by one's peers in childhood as by one's
¡¡¡¡16. Migraine£¬ the most debilitating common form of headache£¬ afflicts perhaps 18 million Americans£¬
¡¡¡¡who collectively lose 64 million workdays a year£¬ and they cost the nation $50 billion in medical
¡¡¡¡expenses and lost work time.
¡¡¡¡£¨A£© year£¬ and they cost the nation $50 billion in medical expenses and lost
¡¡¡¡£¨B£© year and thus cost the nation $50 billion in medical expenses and lost
¡¡¡¡£¨C£© year£¬ so as to cost the nation $50 billion in medical expenses and lost
¡¡¡¡£¨D£© year that costs the nation $50 billion in lost medical expenses and
¡¡¡¡£¨E£© year£¬ which thus cost the nation $50 billion in lost medical expenses and
¡¡
