题目

“神舟”六号飞船在太空飞行时，实验舱内水平放置的一株幼苗，它的生长状况是（  ）A．根、茎都向上生长            B．根、茎都水平生长 C．根向上生长，茎向下生长      D．根向下生长，茎向上生长 答案：B阅读以上信息，用恰当的词完成下面的表格，每空一词。People visit other countries for many reasons. Some travel on business; others travel to visit interesting places that are only found in other countries.Wherever you go, and for whatever reason, it is important to be safe. A tourist can attract a lot of attention from local people. While most people you meet when traveling are sure to be nice, there are dangers—theft（偷窃） being the most common. So prepare for your trip in advance（预先）.As you prepare for your trip, make sure you have the fight paperwork. You don't want to get to your destination(目的地) only to find you have the wrong visa, or worse, that your passport is about to expire(到期). Also, make sure you travel with proper medical insurance, so that if your are sick or injured during your travels, you can be treated. If you want to drive while you are abroad, make sure you have an international driver's license.If you need to take medicine with you—such as travel-sickness pills—keep it in its original container(容器). If you don't, you may find yourself doing a lot of explaining to customs officials at your destination.Buy a guidebook and read about the local customs of the country you are going to. Also, try to learn a few basic words and phrases—don't assume(假设) that the local people will speak your language.When you get to your destination, you'd better use official transport. Always go to the bus and taxi stands; don't accept rides from strangers who offer you a lift. If there is no meter（记程器） in the taxi, agree on a price before you get in. If you prefer to stay in cheap hotels while traveling, make sure you can lock the door of your room from the inside. If you are traveling with valuables such as jewelry, or a lot of money, you should ask about a safe（保险箱） for storing them in. Finally, remember to smile. It's the friendliest and most sincere（真诚的） form of communication, and it is sure to be understood in any part of the world!Have a Safe Aspects of being safeTips on safetyPaperworkvisaYou must have the visa.medical insuranceYou are able to get treatment if you're ill during the journey.driving licenseYou should have the international driver's license if you'd like to drive in foreign countries.MedicineMake sure it is in its original containers.GuidebookIf you buy one, you'll know the local customs by reading it.LanguageYou can try to learn some simple words and phrases the local people use.TransportUse public transport. Don't get into cars.Form of communicationDon't forget to smile when with others.