He copied the technique dolphins used to navigate their way through the dark depths—using high pitch clicks to detect objects and reflect off their inside structure. Jamie is able to mirror that behavior—which assists his use of a cane (手杖)—by clicking his tongue against the roof of his mouth to imitate the dolphins’ underwater tones.

　　1. What do we know from Paragraph 1？

　　A. Jamie Aspland can avoid obstacles by using the “echo location” technique.

　　B. Using ears has the same effect as using eyes with the development of science.

　　C. Dolphins’ eyes are not helpful in locating objects at all.

　　D. The “echo location” technique isn’t helpful to people with normal sight.

　　2. Jamie’s mother Deborah believes that _________ .

　　A. Jamie won’t need her help any longer

　　B. Jamie will be able to do whatever he wants

　　C. her family benefits from the “echo location” technique

　　D. people can see small objects with the“echo location” technique

　　3. What can we infer from Paragraph 3?

　　A. Jamie’s father has to work hard to support his family.

　　B. Jamie’s mother used to have a hard time with her kids.

　　C. There must be something wrong with Deborah’s genes.

　　D. Jamie will be able to help look after his sister and brother.

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