单项选择题

A.Unless
B.If
C.Since
D.Because
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单项选择题
Which of the following is right
A.People who can not read or write don’t need to exercise their memory.
B.People who can not read or write don’t need to write things down in the notebook.
C.People who can not read or write have good memories.
D.People who can not read or write having good memories.
填空题
In the modern western countries, lots of people’s illnesses are caused or made worse by bad eating habits.
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