4 Why are student residences a good place to live?
A. You can speak your own language.
B. You have more time to do homework.
C. You can make friends easily.
D. You can get exposure to a new entertainment.
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5 What is the advantage of sharing an apartment with another student?
A. It is more affordable.
B. There is less homework.
C. There is more food in the apartment.
D. The parties are better.
1 Which is one of the best ways to learn a new language?
A. To download an app.
B. To hire a tutor.
C. To study abroad.
D. To take a course.
2 Why did Sarah Doerkson apply to the University of Ghana?
A. To share accommodations.
B. To learn to speak Twi.
C. To go to the market.
D. To buy a fan.
外生型边境安全风险，主要包括（ ）
A. 民生问题诱发边境安全风险
B. 周边国家自然灾害对中国边境地区造成安全风险
C. 跨境犯罪产生边境安全风险
D. 周边国家突发公共卫生事件对中国边境地区造成安全风险
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