题目内容：

Olivia Goldfarb likes to hike. But it isn’t ________. The sixth-grader was born with a disease affecting her ________. The condition makes daily ________, such as walking, difficult.

Then a four-legged friend named Ally ________ her life.

Olivia met Ally through the Indiana Canine Assistant Network (ICAN), a service-animal training program that places dogs into ________ relationships with people, like Olivia, who need ________ with daily activities. Now, Olivia has a helping “hand” wherever she goes. For balance, she holds a specially ________ tool fixed on Ally that allows the two to get around.

“I used my walker before and it was ________ to go through doors. But now, Ally helps me with that,” Olivia says.

Olivia’s mother says, “Ally really ________ Olivia, and when we were leaving, Ally went up to Olivia and put her head on the walker as if to say, ‘I’m ________ with you.’”

Service dogs like Ally are ________ to help people with disabilities.________ it may seem harmless, distracting（分散注意力）them can actually affect their ability to ________ orders.

“She is a service dog, not a ________,” Olivia says. “The number-one ________ is people shouldn’t pet Ally while I’m working with her.”

“It takes two years to train a service dog to know more than 60 ________. Training can be ________, but it’s worth doing,” says Sean Diamond, ICAN’s director of training.

“Olivia’s ________ a lot of strength and mobility（灵活性）,” Olivia's mom says. “She has a lot more ________ to do what she wants.”

So when the family hiked the Quaking Aspen Trail with Ally, Olivia was able to ________ the long walk.

1.A. easy    B. funny    C. exciting    D. strange

2.A. sight    B. balance    C. feeling    D. thought

3.A. visits    B. activities    C. exercises    D. performances

4.A. ran into    B. fell into    C. stepped into    D. looked into

5.A. unique    B. indirect    C. normal    D. meaningful

6.A. help    B. energy    C. patience    D. medicine

7.A. stored    B. chosen    C. designed    D. used

8.A. hard    B. great    C. amazing    D. impossible

9.A. reacted to    B. depended on    C. learned from    D. believed in

10.A. sitting    B. coming    C. playing.    D. talking

11.A. caught    B. trained    C. discovered    D. encouraged

12.A. So    B. Since    C. Though    D. Because

13.A. give    B. send    C. follow    D. ignore

14.A. pet    B. tool    C. worker    D. machine

15.A. task    B. duty    C. need    D. rule

16.A. words    B. games    C. stories    D. orders

17.A. unfair    B. special    C. popular    D. difficult

18.A. saved    B. gained    C. found    D. produced

19.A. time    B. experience    C. freedom    D. attention

20.A. observe    B. guide    C. organize    D. complete