单词拼写 1. It seems a real pity that thousands of people who could have benefited from Traditional Chinese Medicine missed out because of __________(无知). 2. It struck near the end of the First World War and left families _____(哀悼) worldwide. 3. Meanwhile, governments worldwide have also ________(强调)the fact that thorough and systematic medical on bird flu needs to lead to a cure as soon as possible. 4. Scientists have been doing trials on treatments to _______ (禁止)any future outbreaks. 5. Floyd Landis made several ______(站不住脚的) excuses blaming medicine he had been taking for an injury but these were all in vain. 6. _________(不幸地), it is not easy to catch athletes using illegal drugs. 7. Gene-therapy is very controversial and many people ________(反对)further research into it. 8. Looking ahead, scientists believe that global warming could be one of the biggest _________(环境的)problems facing the 21st century. 9. Experts ______ (拥护,主张)that each person play their part. 10. After all, there is no _________(替代品) for our earth.
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