题目内容：

Alaska Inside Passage Craises

Most cruises（游船） are seven nights long and typically begin an4 end in either Vancouver or Seattle．This "roundtrip" travel plan makes this a very popular cruise vacation because of the convenient flight schedules and affordable roundtrip airline tickets into and out of Vancouver and．Seattle．Longer 10-night and 11-night Inside Passage Cruises are available from California．Depending on your ship and your plan, a typical Alaska Inside Passage Cruise spends the first day cruising the famed Inside ．Passage, a narrow waterway nestled between towering mountains, waterfront communities, and the Pacific Ocean．

Alaska Glacier Cruses．

Alaska Glacier Cruises are also known as Gulf of Alaska Cruises．Every cruise line has a different name for it, but they all mean the same thing —they are cruises that sail one-way through the Gulf of Alaska where you'll find the greatest number of glaciers（冰川）, mountains, wildlife and scenery．

Unlike an Alaska Inside Passage Cruise, an Alaska Glacier Cruise does not do a U—turn back to the; departure port．Alaska Glacier cruises are one way journey that sail from．North to South （Southbound Glacier Cruises） or South to North （Northbound Glacier Cruises）．These routes allow you to spend more days in Alaska ports or National Glacier Parks as there are fewer days at sea compared to other cruises．If you only have a week and want wonderful glacier viewing and time on land, this is your best choice for an Alaska Cruise Vacation．

Regent Home Alaska Cruises

For a close and personal contact with the Great White North, step aboard the All-inclusive, 700-guest Seven Seas Mariner．You can watch seabirds perform beautiful dances or a group of playful whales swim by as you're eating breakfast in your private room． 

1.What is "Inside Passage" according to the text? 

    A．It's the name of a typical cruise ship．                 B．It's a popular hiking route in Alaska．

    C．It's the name of a famous tourist company．              D．It's a body of water with beautiful scenery．

2.If you are interested in sightseeing on foot, which cruise might be a better choice than others?

    A．Alaska Inside Passage Cruises．                          B．Gulf of Alaska Cruises．

    C．Regent Home Alaska Cruises．        D．None of the above．

3.Which of the following cruises repeat its routes?

    A．Alaska Inside Passage Cruises．                          B．Southbound Glacier Cruises．

    C．Northbound Glacier Cruises．                             D．Seven Seas Mariner．

4.What's the purpose of this passage?

    A．To explore the natural beauty of Alaska．

    B．To introduce the ways of traveling in Alaska．

    C．To attract tourists to cruise vacations in Alaska．

    D．To offer advice to people traveling in Alaska．