column 1
说出单词：
药
medicine
说出单词：
路线/路途
route
说出单词：
探索
explore
说出单词：
确信
convince
说出单词：
小麦
wheat
根据要求说出单词：
harm(adj.）
harmful
根据要求说出单词：
discover (n.)
discovery
根据要求说出单词：
tidy(adj)
tidy
根据要求说出单词：
actual (adv.)
actually
根据要求说出单词：
science (adj.)
scientific
回答问题：
Why did Columbus want to find a new way from Europe to Asia?
Because the old route was dangerous.
回答问题：
What was Columbus's planned destination and actual destination?
Asia.
The continent of America.
回答问题：
What did Kellogg Brothers do?
They ran a health resort.
回答问题：
What was Kellogg Brothers' marvellous mistake?
They invented cornflakes by accident.
回答问题：
Why did many soldiers die during the First World War?
Because harmful bacteria infected their wounds.
根据所学单词短语造句：
他们用一种新药治疗病人。
They treated patients with a new medicine.
They used a new medicine to treat patients.
根据所学单词短语造句：
糟糕的饮食习惯导致了他的疾病。
Terrible/ bad eating habits led to his disease.
根据所学单词短语造句：
他太矮了别人都看不到。
He is too short to be seen by others.
根据所学单词短语造句：
她花了三个小时干完所有家务。
It took her three hours to finish all housework.
根据所学单词短语造句：
他当司机时意外发现了这个问题。
He discovered this problem by accident when he worked as a driver.
回答问题：
What did Columbus learn when he was at sea?
He learned different languages, tides and how to find his way using the stars.
回答问题：
Why did Kellogg Brothers never speak to each other finally?
Because Will wanted to add sugar to the recipe of cornflakes but John didn't agree. So will set up his own cornflake factory.
回答问题：
How did Fleming discover Penicillin?
He worked on bacteria experiments and then went on holiday. When he got back, the experiments were covered in mould. He found that some of the mould can kill the bacteria.
回答问题：
What is the benefit of antibiotics?
It saves millions of lives.