题目内容：

You know Australia is a big country, but you may not know how easy it is to get around. The untouched beaches that go for miles and deserts that touch the horizon are just there, waiting to be reached and explored. The following are the different ways you can explore our vast country.

Air

Flying is the best way to cover large distances in a short time. You can spend more time on the Australia's can't-miss landscapes and relaxing lifestyle. Moreover, competition among airlines makes great flying fees available for you.

Drive

Australia has a vast network of well-maintained roads and some of the most beautiful touring routes in the world. You have no difficulty finding car rental companies at major airports, central city locations, suburbs and attractions.

Bus

Bus travel in Australia is comfortable, easy and economical. Buses generally have air conditioning, reading lights, adjustable seats and videos. Services are frequent, affordable and efficient.

Rail

Train travel is the cheapest and gives you an insight into Australia's size and variety, all from the comfort of your carriage. Scheduled services are a great way to get quickly between our cities and regional centers.

Ferry(轮渡)

The Spirit of Tasmania runs a passenger and vehicle ferry service between Melbourne and Tasmania nightly. Extra services are running during summer rush hours. Sea-link ferries connect South Australia and Kangaroo Island several times a day. Ferries connect suburbs in our capital cities

Walk

With easy on the feel pedestrian streets, walking is a great way to get around our cities. Besides all of above, you can also experience some of the longest tracks and trails in the world in central Australia-impressive journeys of a thousand kilometers or more that can take several weeks to complete.

1.The underlined word "untouched" in the 1st paragraph means     .

A. safe    B. special

C. natural    D. fresh

2.Which of the following is TRUE about traveling in Australia?

A. More travelers make the flying fees among airlines higher than before

B. You can easily rent a car to explore its most beautiful touring routes

C. Taking a bus tour is the most comfortable, economical and efficient way

D. Train services can offer you more comfort than any other means of transport

3.Ferry service between Melbourne and Tasmania usually runs     .

A. only at night hours    B. only during rush hours

C. several times a day    D. between different cities

4.From the passage, we know that     .

A. pedestrian walking is a great way to travel between cities

B. travelling in central Australia is time spending

C. central Australia has the world’s longest railway line

D. you have to walk over a thousand kilometers in Australia