of salt 。[A] Changes [B] Descriptions [C] Measures [D] Clarity 16. The study of law, with its great number of cases, statutes and contracts, can be a tedious proc é ss。[A] curious [B] tiresome [C] challenging [D] (an) overwhelming 17. We can walk across the river here because the water is very shallow 。[A] shoal [B] hollow [C] mellow [D] callow 18. I can't wear this shirt; it's too shabby 。[A] wrinkled [B] crumpled [C] dirty [D] worn out 19. Tax rebates can have far-reaching effects on the economy 。[A] accountants [B] laws [C] refunds [D] credits 最权威的国际教育服务平台资料来源: 教育优选/ 20. By 1929, two years after the start of the “ talkies ”, motion picture theaters in the United States were attracting 100 million patrons every week 。[A] owners [B] actors [C] customers [D] critics Keys: ACADC ABBBD BBDAA