考点:First, it lacked the necessary technical vocabulary. Second, it lacked the grammatical resources required to represent the world i an objective and impersonal way,...
解析:题目30-31考的是并列和否定的逻辑关系,原文中的first, second, 对应的就是题目中的neither...nor...这个并列关系,这两题的答案就迎刃而解了。
考点:First mechanism, then mass use of chemical fertiliser and pesticides, then monocultures, then battery rearing of livestock, and now genetic engineering the onward marching of intensive farming has seemed unstoppable in the last hal- century, as the yields of produce have soared.
解析:段首句连用表示次序的信号词,first, then, then and now, 体现发展的不同阶段。
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