【推荐1】课本原文填空。

In g    1    , doctors in those days had two c    2    theories to explain how cholera spread. One theory was that bad air caused the disease. Another was that cholera was caused by an i    3    from germs in food or water. Snow s    4    to the second theory. It was correct, but he still needed p    5    . Consequently, when an o    6    of cholera hit London in 1854, Snow began to investigate. He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why.

【推荐2】根据课文内容填空。
In general, doctors in those days had two     1     theories to explain how cholera spread. One theory was that bad air caused the   disease. Another was that cholera was caused by an     2     from germs in food or water. Snow     3     to the second theory. It was correct, but he still needed     4    . Consequently, when an outbreak of cholera hit London in 1854, Snow began to investigate. He discovered that in two particular streets the cholera outbreak was so severe     5     more than 500 people died in ten days. He was determined to find out why.

【推荐3】下列文段直接来自所学的课文。请根据英文首字母提示，填入符合课文含义的词，使到文段意思完整，通顺，符合课文原意。请把单词完整地写在答题卡上。

One medical text from the fourth century suggested using the e    1     from sweet wormwood to treat a fever. Tu’s team t    2     a collection of dried wormwood leaves but found no e    3    .They then tried boiling fresh wormwood, and using the l    4     obtained from this to treat malaria, but this did not work either. Their project got s     5    .However, Tu Youyou would not a    6    defeat. She analysed the medical texts a    7    , and by c    8    , she found one sentence suggesting a d    9    way to treat the wormwood. She concluded that boiling the sweet wormwood apparently destroyed its medial p    10    .

【推荐1】原文填空

It’s almost time for me to say goodbye to Australia. I’ve enjoyed my time here very much.     1     being here for a while, my biggest impression is the complicated mix of peoples and cultures that make up the nation. Although the main cultural influence since 1788 has been Western culture, minority cultures have also played a part in shaping the unique Australian culture,     2     many of the new cultural influences contributed by immigrants. It is said that now nearly half of all Australian citizens were either born overseas     3     have parents who were born overseas.

【推荐3】根据课文内容，在空白处填入所缺的单词。

The United Kingdom, Great Britain, Britain, England — many people are confused by     1     these different names mean. So what is the difference between them, if any?     2     to know a little bit about British history will help you solve this puzzle.