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对组蛋白中带有正电荷的碱性氨基酸的修饰包括:
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下列关于转录因子TFII的叙述，正确的有（)
（一）（2012.06 Task1）The practice of exchanging foreign currency can vary by country. In one country, you may have to change your money at he airport, and in other countries you may need to buy your foreign currency in advance. Here are some places you can exchange foreign currency for U. S. currency.Your BankIn many cases you can purchase U.S. currency for your trip from a bank. Banks tend to have higher exchange rates than some currency exchange businesses. Before you purchase currency from a bank, check the currency change rates for that day so you can compare the rate the bank is giving and determine if it’s a good offer. There is a fee involved in withdrawing foreign currency from your bank.The AirportCurrency exchange businesses can be found at most international airports, so you can purchase U.S. currency either before you board your flight or at the U.S. airport on arrival. Note that U.S. airports typically have fewer currency exchange counters than travelers are accustomed to seeing in other parts of the world. If the airport you are flying into is not in a major U.S. city, consider using the exchange service in your departure airport to be on the safe side. If you are in an airport where several exchange companies operate, be sure to shop around for the best rate and lowest exchange fee.1.The practice of exchanging foreign currency _________.
The passage is mainly about_______.
( 二）（2012.06 Task2）Start your day off right with our continental breakfast free. Not only do we offer a generous variety of traditional continental foods, but also a couple of hot items each day. Too busy to sit down for breakfast? During the week, you can choose to take away a breakfast bag.We provide high speed internet access in all guest rooms and common areas. Are you sick of sitting at the desk all day? We provide lap (放在膝盖上的）desks in every room to improve your work environment. Didn’t bring your laptop computer with you? Please use our computer and printer located in our business center. We can also provide fax and copy service at the front desk.Our 400 sq. Feet of meeting space can hold up to 30 people. For an extra fee, we can provide electronic digital equipment. Conveniently located just next to the business center, our meeting space works well for all your business needs.We are located directly off Highway 131 at Exit 78. We are just 2 miles north of the M6-Suth Beltline. There are multiple restaurants within walking distance. Our address:755 54th Street S.W.Wyoming, MI 49509(616)261-5500, Fax(616)261-9120Grro-Hampton@Hilton.com6.Which of the following is TRUE about the breakfast in the hotel?
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