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    Here are Important Travel Notices from United Airlines  March 20, 2019, 7:12 AM. Information is updated as it is received.

1 Travel and the Zika virus

    If you have a ticket for travel to a country affected by the Zika virus (as listed on the CDC website) and have concerns, please contact the United Customer Contact Center with any questions or changes to your reservation. Customers advised to avoid the affected regions based on CDC guidance may change their destination or travel date without a fee or may choose to receive a refund if their tickets were booked before February 28, 2019. The new travel date must be within the validity of the ticket. Additional charges may apply if there is a difference in fare for the new travel route.

2 Longer lines at security checkpoints

    Procedural changes at TSA checkpoints throughout the United States may result in longer lines at security checkpoints. Please plan accordingly and allow for extra time at the airport. The TSA advises arriving at the airport two hours before your flight for US travel and three hours before for international travel. To save time at security, we encourage you to visit www.tsa.gov.com and apply for tsa pre-check.

3 Notice for flights departing the European Union, Norway and Switzerland

    EU Regulation 261/2004 requires air lines to provide the following notice: if you are not allowed to board or if your flight is canceled or delayed for at least two hours, ask at the check-in counter or boarding gate for the form, stating your rights, particularly about compensation and assistance.

4 How to protect yourself

    Travelers to regions affected by Zika can take precautions to prevent contracting the disease by protecting themselves against mosquitos. The CDC recommends visitors to areas with Zika wear long-sleeved clothing, apply mosquito repellant, and use a mosquito net at night.

1. （1） ravelers don't have to pay additional fees when they want to ________.

   A . rearrange their travel date at any time B . cancel their flights booked before February C . apply for a refund for tickets booked in March D . choose a longer and more expensive route to a new destination
3. （2） What do we know from Notice 2?

   A . Pre-check can be done online to save time for travelers. B . Security checkpoints are not available during this period. C . It usually takes longer time to go through the security check in the US. D . Security check of International flights is stricter than that of the US ones.
5. （3） Compensation can be asked for when ________.

   A . passengers refuse to board the plane B . passengers miss their flight due to traffic jam C . passengers' flight is delayed at least two hours D . passengers forget to state their right in the form
7. （4） Which is the effective method to protect yourself against Zika?

   A . Wearing long-sleeved shirts only during the flight. B . Protecting the mosquitos with the disease C . Avoiding the smell of mosquito repellant. D . Setting a mosquito net before going to sleep.