2. 外语
  3. No one can deny that pesticide have improved the ability of farmers to bring their crops to market.【C1】______ pesticides, farmer

No one can deny that pesticide have improved the ability of farmers to bring their crops to market.【C1】______ pesticides, farmer

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问题      No one can deny that pesticide have improved the ability of farmers to bring their crops to market.【C1】______ pesticides, farmers no longer have to worry that they will lose an entire crop 【C2】______ an army of worms or fruit flies.【C3】______ , Americans  can rely on a large and varied food supply.
     However, we Americans need to become more【C4】______ about the effects of those pesticides on our food. More.【C5】 ______ , we need to think about what new 【C6】______ is necessary to protect ourselves from a【C7】______ too rich in pesticide residue. If we don’t demand greater.【C8】______   on pesticide use, we may be surprised, dismayed and 【C9】______ horrified by the consequence of its use.
     On the most obvious level, farm workers who continue to use the pesticides【C10】______ their present rate will be【C11】______ serious illness. It is no【C12】______ that farmers exposed to herbicides have【C13】______ risk of getting cancer. In addition, children who live in homes where pesticides are used have【C14】______ chance of getting childhood leukemia(白血病).
     Farmers are not the only ones 【C15】______ risk. Consumers may also Suffer serious side effects from daily【C16】______ of foods polluted by pesticides. Although scientists have yet to prove the link【C17】______ they are concerned that pesticide use may be one reason for the increase in various forms of cancer. We need new legislation, that【C18】______ stricter standards governing pesticides residues in food.  Much of the current legislation is based on ignorance. Simply【C19】______ , we allow high levels of cancer-causing substances in our food because we don’t know whether they cause cancer in humans. Yet, why take the risk? If there’s a chance that a pesticide causes cancer, it should be【C20】______ from use.
【C17】
选项 A、tentatively
B、inclusively
C、conclusively
D、exclusively
答案C
解析 语义衔接题。句子的意思为：尽管科学家仍需要最后完全肯定地证实接触农药与患癌症的关系，他们担心杀虫剂的使用是各种形式的癌症患病率增加的原因之一。四个选项中，只有conclusively(确定地)符合这个意思，其他三项tentatively(暂时地)、inclusively(包含地)和exclusively(专有地)均不合文意。
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