单项选择题


When will the delegation from Poland visit the university

A．At the end of March.
B．In the middle of April.
C．At the beginning of May.
D．At the end of May.
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单项选择题
Why is the woman so surprised
A．She found she wasn’t registered in Chemistry 302A.
B．She found she was registered in Chemistry 302B.
C．She was unsure which class she had registered.
D．She wasn’t registered in Chemistry 302B.
问答题
1．接连发生的食品安全问题引起大家的密切关注，比如牛奶问题、鸡蛋问题等； 2．请分析一下食品安全的重要性； 3．你认为相关部门应采取什么措施加强食品安全。
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