题干

在晴朗干燥的冬日里,如果用塑料梳子梳干燥的头发,会发现头发越梳越蓬松,其主要原因是(  )

A:梳头时,空气进入头发

B:头发和梳子摩擦后,头发带同种电荷相互排斥;

C:梳子对头发有力的作用

D:梳头时,头发的毛囊会收缩。

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B

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    A student's life is never easy.____A lot of preparations are needed so you can be sure to go back home with a diploma and a bright future waiting for you. The following are some basic things you need to do before seizing your passport and boarding the plane.

    Knowing the country.

    You shouldn't bother researching the country's hottest tourist spots or historical places. You won't go there as a tourist, but as a student. It'll be helpful to read the most important points in their history and to read up on their culture.____You surely don't want to face legal problems, especially if you're away from home.

    Studying their language.

    Don't expect that you can graduate abroad without knowing even the basics of the language. Before leaving your home country, take online lessons to at least master some of their words and sentences.____Doing this will also prepare you in communicating with those who can't speak English.

    ____

    Check the conversion(兑换)of your money to their local currency, set up your bank account so you can use it there, get an insurance, and find an apartment. The Internet or your intended school will be very helpful in finding an apartment and helping you understand local currency.

    Remember, you're not only carrying your own reputation but your country's reputation as well. If you act foolishly, people there might think that all of your country men are foolish as well.____

A. Packing your clothes.

B. Preparing for other needs.

C. Most importantly, read about their laws.

D. This will be useful in living and studying there.

E. That would surely be a very bad start for your study abroad program.

F. Going with their trends will keep it from being too obvious that you're a foreigner.

G. And it is even more difficult if you have to complete your study in a foreign land.