29、The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.

A. causing       B. being caused         C. to be caused        D. be have caused

28、The flowers ____ sweet in the botanic garden attract the visitors to the beauty of nature.

A. to smell             B. smelling         C. smelt           D. to be smelt

27、The disc, digitally ______ in the studio, sounded fantastic at the party that night.

A. recorded       B. recording   C. to be recorded      D. having recorded

26、American women usually identify their best friend as someone _____ they can talk frequently.

A. who        B. as     C. about which      D. with whom

25、After Yang Li wei succeeded in circling the carth, _______ our astronauts desire to do is walk in space.

A. where               B. what           C. that             D. how

24、Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by al lion.

A. when         B. while          C. since          D. once

22、I intended to compare notes with a friend, but unfortunately     couldn’t spare me even one minute.

A. they     B. one           C. who     D. it

20、Holidaymakers who are bored with baking beaches and overheated hotel rooms head for a big

igloo. Swedish businessman Nile Bergqvist is delighted with his new hotel, the world's first igloo hotel. Built in a small town in Lapland, it has been attracting lots of visitors, but soon the fun will be over.

In two weeks'time Bergqvist's ice creation（作品）will be nothing more than a pool of water.

"We don't see it as a big problem," he says. "We just look forward to replacing it."

Bergqvist built his first igloo in 1991 for an art exhibition. It was so successful that he

designed the present one, which measures roughly 200 square meters. Six workmen spent more than eight weeks piling 1,000 tons of snow onto a wooden base; when the snow froze, the base was removed. "The only wooden thing we have left in the igloo is the front door," he says.

After their stay, all visitors receive a survival certificate recording their success. With no

windows, nowhere to hang clothes and temperatures below 0℃, it may seem more like a survival test than a relaxing（ 轻松的） hotel break. "It's great fun," Bergqvist explains, "as well as a good start in survival training."

The popularity of the igloo is beyond doubt: it is now attracting tourists from all over the

world. At least 800 people have stayed at the igloo this season even though there are only 10 rooms. "You can get a lot of people in," explains Bergqvist. "The beds are three meters wide by two meters long, and can fit at least four at one time."

1. Bergqvist designed and built the world's first igloo hotel because ______

A. he believed people would enjoy trying something new

B. he wanted to make a name for the small town

C. an art exhibition was about to open

D. more hotel rooms were needed

2. When the writer says "the fun will be over," he refers to the fact that ______

A. hotel guests will be frightened at the thought of the hard test

B. Bergqvist's hotel will soon become a pool of water

C. holidaymakers will soon get tired of the big igloo

D. a bigger igloo will replace the present one

3. According to the text, the first thing to do in building an igloo is ______

A. to gather a pool of water                               B. to prepare a wooden base

C. to cover the ground with ice                         D. to pile a large amount of snow

4. When guests leave the igloo hotel they will receive a paper stating that _____

A. they have visited Lapland               B. they have had an ice-snow holiday

C. they have had great fun sleeping on ice    D. they have had a taste of adventure

5. Which of the four pictures below is the closest to the igloo hotel as described in the text?