题目内容
阅读下列短文，从所给的四个选项中，选出最佳答案
Tokyo: Three snakes, whose poison could kill a person in ten minutes, are guarding a blue star sapphire (蓝宝石) worth nearly six hundred thousand dollars at a Japanese exhibition of jewels sent from an Indian museum．
“Normally it would be forbidden to let these poisonous snakes guard exhibition objects, but it's different this time because the jewels are being exhibited at a hotel． ”a police official said．
Exhibition officials said that a person bitten (咬) by one of these snakes would need at least 80ml of an anti-poison medicine to be saved． Medicine was being kept ready at a nearby hospital．
Star sapphires and other valuable jewels worth a total of one million dollars are on show behind glass． Hundreds of visitors came to see the special blue sapphire and were surprised when they saw the sixty-centimetre-long brown guards．
1．Using snakes at exhibitions of valuable objects is ______．
[ ]
A．quite normal B．never allowed
C．often necessary D．usually forbidden
2．The jewels were being shown in ______．
[ ]
A．an Indian hotel B．an Indian museum
C．a Japanese hotel D．a Japanese museum
3．Why were the snakes and jewels at the same exhibition?
[ ]
A．They were both special things from India．
B．The snakes were there to keep the jewels safe．
C．The organizers wanted to do something unusual．
D． People liked to visit an exhibition guarded by snakes．
4．Many visitors came to the exhibition because______．
[ ]
A．the snakes were on show
B．so many jewels were being exhibited
C．exhibition officials said it was special
D． they were interested in seeing a famous jewel
