1．We can infer from Paragraph 2 that ．

　　A．the price of the seasonal ticket is different from the usual one

　　B．the helicopter aerial tour is common in the world

　　C．each person only needs to pay $120 for a helicopter tour

　　D．people can book very cheap tickets by phone

　　【解析】　推理判断题。根据第二段Please call us at 1­888­868­9378 for seasonal rates...可推断，答案为A。

　　【答案】　A

　　2．How much should a couple pay for a helicopter­boat tour?

　　A．150 dollars.　　 B．165 dollars.

　　C．300 dollars. D．330 dollars.

　　【解析】　推理判断题。根据第三段Ticket ：$150.00 per person，plus 10%tax可知，两个人的票价是$300，再加10%的税，共$330，故答案为D。

　　【答案】　D

　　3．Which of the following tours may be the most comfortable according to the passage?

　　A．Helicopter Aerial Tour.

　　B．Las Vegas Adventure Tour.

　　C．Champagne Helicopter Tour.

　　D．Helicopter­Boat Tour.

　　【解析】　细节理解题。根据第四段You go aboard a million­dollar helicopter with all forward facing seats allowing 180 degrees of views in air­conditioned comfort 可知，答案为C。

　　【答案】　C

　　4．All of the following places are included in the Las Vegas Adventure Tour EXCEPT ．

　　A．Lake Mead

　　B．the Mohave Desert

C．the west edge of the Grand Canyon