For Aaron Welborn, this year’s vacation is interesting. He found dentures(假牙) when he was swimming in the sea. “They first really scared me,” said Welborn. After looking at it carefully, he found a name on the dentures. Then he tried to find the right Randy Williams.

Welborn posted(发布) pictures of the teeth on the Internet. And they quickly got attention. Someone found Randy Williams. Williams said, a large wave made the dentures out of his mouth. He looked for them and then gave up. And he went on to enjoy his trip.

While still on vacation, Welborn took the dentures everywhere. He took interesting photos of them on the beach, at restaurants, and on the road.

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1.Where did Welborn find the dentures?

A In the sea.

B On the beach.

C At a restaurant.

D On the road.

解析：选A。A细节理解题。根据第一段的“He found dentures when he was swimming in the sea.”可知，Welborn在海里游泳的时候发现了这副假牙。故选A。

2.The first sight(看见) of the dentures made Welborn _________.

A afraid

B relaxing

C happy

D angry

解析：选A。A细节理解题。根据第一段的“They first really scared me”可知，Welborn看到假牙时吓了一跳。故选A。

3.What was Williams doing when he lost his dentures?

A He was eating.

B He was sleeping.

C He was swimming.

D He was taking pictures.

解析：选C。C推理判断题。根据第二段的“Williams said, a large wave made the dentures out of his mouth.”可知，Williams说是一个大浪把他嘴里的假牙冲走了，由此推断他丢失假牙的时候正在海里游泳。故选C。

4.What does the underlined word “them” refer to?

A Mouths.

B Waves.

C Pictures.

D Dentures.

解析：选D。D词意指代题。根据划线部分前一句的“a large wave made the dentures out of his mouth.”以及全文描写的Welborn找到假牙可知，在Williams丢掉假牙后，他曾努力找过它们(假牙)。故选D。

5.What is the main idea of the passage?

A A woman found a name on dentures.

B A man and his family enjoyed their trip.

C A man found dentures on his trip.

D A man loved swimming very much.

解析：选C。C主旨大意题。通读全文可知，本文讲述了一个度假的男人在游泳时捡到假牙并物归原主的故事。故选C。