Choose the word or expression which is closest in meaning to the underlined part in each sentence(选择与下列各句中划线部分内容意思相近的单词或短语)：

1．Please raise your hands if you agree to the summer holiday plan．

2．Most people prefer sending messages by mobile to making phone calls．

3．Although the officers met with a lot of difficulties，they found a solution finally．

4．We all clapped our hands when Junking，the brave Shanghai girl entered the hall．

5．Jerry hasn’t heard from Mary up till now．He is worried about her．

6．I saw the young couple watering the flowers in the garden at the moment．

7．Lucy got everything ready before going abroad for her further study in arts．

8．Too much sweet food is bad for your health．You’d better have more vegetables and fruits．

The Bermuda Triangle(百慕大三角)is in the Atlantic Ocean, near Florida in the USA. During the past 60 years, more than 1,000 seamen in ships and pilots in planes have lost their lives. It is known as “The Triangle of Death”for its strange seawater and sudden storms. What’s the strangest is the light of the seawater, which looks so bright that it can be seen even from an outer spaceship.
　　At 2:00p.m. on Dec. 5, 1945, five planes took off in fine weather from the airport of Florida, on a training task. Two hours later, the leader in the sky radioed that he was “completely lost”. Then there was silence. Another plane was sent to look for them and also disappeared.
　　One of the largest ship that had disappeared in the triangle was an American coal ship, 500meters long. The weather was good, and there were no messages for help before it was “gone”. No broken ships or dead bodies have been found so far.
　　No one is able to tell how all these accidents have happened. A group of Japanese scientists were there to see what it was really like in 1995, but nothing has been heard of them ever since.
【小题1】 What is the passage mainly about?