43. According to Booker T. Whatley’s recent analysis, planting the same crops as are planted on large farms will lead to economic disaster for the small farmer, who should plan a succession of high-value crops that will provide a year-round cash flow
(A) planting the same crops as are planted on large farms will lead to economic disaster for the small farmer, who (B) it will lead to economic disaster for the small farmer to plant the same crops as on the large farms; they (C) economic disaster will result from planting the same crops as large farms to the small farmer, who (D) economic disaster for the small farmer will result from planting the same crops as on the large farms; they (E) the small farmer planting the same crops as are planted on large farms will lead to economic disaster; they 答案是A, 哪位大虾能帮我分析一下C错在哪里? 47. According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago (A) indicate the possibility that everyone alive today might be descended from a single female ancestor who (B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had (C) may indicate that everyone alive today has descended from a single female ancestor who had (D) indicates that everyone alive today may be a descendant of a single female ancestor who (E) indicates that everyone alive today might be a descendant from a single female ancestor who 答案D,为什么indicates而不是indicate? "that have occurred"不是用复数谓语了吗? 谢谢!
(B) it will lead to economic disaster for the small farmer to plant the same crops as on the large farms; they
(C) economic disaster will result from planting the same crops as large farms to the small farmer, who
(D) economic disaster for the small farmer will result from planting the same crops as on the large farms; they
(E) the small farmer planting the same crops as are planted on large farms will lead to economic disaster; they
答案是A, 哪位大虾能帮我分析一下C错在哪里?
47. According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago
(A) indicate the possibility that everyone alive today might be descended from a single female ancestor who
(B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had
(C) may indicate that everyone alive today has descended from a single female ancestor who had
(D) indicates that everyone alive today may be a descendant of a single female ancestor who
(E) indicates that everyone alive today might be a descendant from a single female ancestor who
答案D,为什么indicates而不是indicate? "that have occurred"不是用复数谓语了吗?
谢谢!
43
C的错误，是一个非常经典的错误。
economic disaster will result from planting the same crops as large farms to the small farmer
是不是少了点什么
47
the pattern of changes that have occurred in human DNA over the millennia indicates
简化一下
the pattern ....indicates, 这个肯定没问题？
接下来
changes that have...
这里的that 引导的限定从句，修饰changes
所以后面是have occured
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