1．Scientists go to the Celtic Sea to explore ________.

A．why this area appeal to sea animals

B．what the Celtic Sea really desires

C．whether the expense can be reduced

D．how this area can be better protected

【答案】　A　细节理解题。根据第一段最后一句话"Scientists want to know why sea animals are so attracted to this part of the Atlantic Ocean."可知，选A。

2．According to paragraph 2，the research vehicle ________.

A．is used only to measure water currents

B．is designed by the engineer called Lavinia

C．can also create a three－dimensional map

D．can detect the zooplankton and sea life

【答案】　D　细节理解题。根据第二段第六、七句话"He says the vehicle has equipment that can detect small organisms called zooplankton and fish.He adds that other sensing devices measure water currents and other features of sea life."可知，选D。

3．Which of the following is TRUE?

A．Both of the vehicles are powered by batteries.

B．Neither of the vehicles can stay for months.

C．The vehicles help reduce both time and money.

D．Reports are sent by the scientists themselves.

【答案】　C　推理判断题。根据第四段第一、二两句话"Using these robotic ocean vehicles greatly reduces the cost of exploring the seas with manned laboratories.Scientists can spend more time analyzing the collected information."可知，选C。

4．What is the purpose of the passage?

A．To call on us to protect the sea.