第一节单词拼写（共10小题，每题1分，共10分；注意请用课文中所给单词的正确形式填空，写其他形式不得分）
【小题1】It seems a real pity that thousands of people who could have benefited from Traditional Chinese Medicine missed out because of ignorance (无知).
【小题2】It struck near the end of the First World War and left families mourning (哀悼) worldwide.
【小题3】Meanwhile, governments worldwide have also underlined （强调）the fact that thorough and systematic medical on bird flu needs to lead to a cure as soon as possible.
【小题4】Scientists have been doing trials on treatments to prohibit （禁止）any future outbreaks.
【小题5】Floyd Landis made several lame （站不住脚的） excuses blaming medicine he had been taking for an injury but these were all in vain.
【小题6】unfortunately （不幸地）, it is not easy to catch athletes using illegal drugs.
【小题7】Gene-therapy is very controversial and many people oppose （反对）further research into it.
【小题8】Looking ahead, scientists believe that global warming could be one of the biggest
environmental （环境的）problems facing the 21st century.
【小题9】Experts advocate （拥护，主张）that each person play their part.
【小题10】After all, there is no substitute （替代品） for our earth.
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解析：
【小题1】介词of之后用名词形式。
【小题2】leave +宾语+现在分词。
【小题3】现在完成时，故用过去分词。
【小题4】副词to之后，用动词原形。
【小题5】用形容词修饰名词。
【小题6】有逗号，且位于句首，故用副词形式。
【小题7】and之前的句子用的是一般现在时，所以and之后也要用一般现在时。
【小题8】用形容词修饰名词problems。
【小题9】根据宾语从句that each person play their part，可知主句用一般现在时。
【小题10】作宾语，故用名词形式。