Skim the passage and do the following exercises.

1．What is the main idea of the passage?

A．An eruption occurred in Hawaii.

B．A volcanologist's job is exciting.

C．A volcanologist's exciting job and his first sight of a volcanic eruption.

D．A sight of an eruption is horrible.

答案　C

2．Find out the main idea of each part.

Part 1：Paras(1～2)　　A．The reasons why the writer is enthusiastic about his job.

Part 2：Paras(3～4)　　B．What the writer's job is and the importance of his job.

Part 3：Para(5) 　　　 C．The writer's experience of watching the eruption.

答案　Part 1：B　Part 2：C　Part 3：A

Read the passage carefully and choose the best answer.

1．The author doesn't mind the occasional danger of his job because .

A．he travels to unusual places and meets interesting people from all over the world

B．he likes the different ways of working

C．he is excited about dangers and feels alive

D．he thinks his job is the most important

答案　C

2．What does the author mean by using "lucky" in the sentence "I was lucky enough to have a much closer look at it"？

A．He felt much safer on the top while the other two scientists climbed down into the crater.

B．It was his first sight of an eruption.

C．It was the first time for him to watch the crater.

D．Both B and C.

答案　D

3．What did the author do after he was appointed as a volcanologist?

A．He collected information about Mount Kilauea on the spot.

B．He analyzed the data and predicted where the lava would flow.

C．He persuaded people to move their homes out of the path of the lava.