例（TPO10 LECTURE2）The Nightshade family is a catery of plants which also includes many that you wouldn’t want to eat.
多出现有学生插话，比如，I’m sorry, professor, did you just say ……, 或老师插话，比如oops, let me back up a bit, before I on ……
Student: I’m sorry Professor Jones. But I mean yeah ok. American crops have probably contributed a lot to European cooking over the years. But…
Professor: But have they really played any kind of important role in European history?
13 What does the professor imply about certain plants in the nightshade family?
A They grow best in Mediterranean climates.
B Their leaves are high in nutritional value.
C They were mistakenly believed to be related to potatoes.
D They are dangerous when eaten by human beings.
14 What does the professor imply about Thomas Jefferso`s attitude toward tomatoes?
A It was typical of his unconventional way of thinking.
B It helped to advance his political career.
C It changed the eating habits of North Americans.
D It helped to make tomatoes popular in Europe.
15 According to the professor, what was the long effect of the introduction of American corn and potatoes to Europe?
A It had a negative effect on the nutritional intake of people living near the Mediterranean Sea.
B It contributed to a shift in the balance of power from southern Europe to northern Europe.
C It encouraged the development of new types of cuisine in southern Europe.
D It led to the failure of many native European grain crops.
（不是facts, 不是examples, 不是irrelevant contents, 更不属于解释，那么它应该属于支持内容与文章主旨联系。答案在lecture的*后教授所提到的Potatoes soon spread to France and other Northern European countries. And as a result, the nutrition of the general population improved tremendously and population soared in the early 1800 and so the shift of power from southern to northern Europe continued.）
16 According to the professor, what is one of the reasons why potatoes became popular in Ireland?
A Potatoes were more nourishing than native Irish food crops.
B Potatoes grew better at higher altitudes than native Irish crops.
C Political leaders in Ireland encouraged the cultivation of potatoes