Tom Lee is determined to help people suffering from multiple sclerosis(MS)(硬化症)．Sometimes he __1__ a 300­mile bike ride in two days to prove it.

"It's a very __2__ disease，"Lee,72，said."I've met a lot of people with MS in the last 19 years. I've been __3__ by their strength of character. They're a very __4__ group of people."That courage inspired Lee to find his own.__5__ he enjoyed biking as a child __6__ up in Ireland，he didn't start riding long __7__ until he worked for Westinghouse in Minnesota. It was 1991__8__ he did his first 150 miles in two days. He's been __9__ ever since.

This weekend，Lee will ride from Miami to Key Largo during a biking event called the Maroon MS 150 Bike __10__.In September，he will ride from Kerry to Derry in Ireland where he will __11__ 300 miles in two days. Between the two events，he plans to __12__ thousands of dollars. He sends letters to 100 people to collect the money，and most of the money he's collected has __13__ to the National Multiple Sclerosis Society. Lee enjoys __14__ himself to achieve more. In 1992，he __15__ to ride from Boca，Raton to Jacksonville and back. He did the ride for nine years."I collected more than I __16__ did，"he said.

Here's Lee's __17__ to a successful ride：drink water，eat every hour，ride __18__ and never think about how far you're riding. It's not keeping __19__ that helps Lee finish a bike ride，although he rides his bike 50 to 60 miles every week. He said，"I just have a lot of stamina(耐力)，which is very __20__ for long races，and I'm strong­willed."

1．A. makes B．does

C．has D．gets

2．A. unexpected B．dangerous

C．funny D．terrible

3．A. persuaded B．troubled

C．encouraged D．excited

4．A. promising B．courageous

C．kind D．sick

5．A. Although B．Since

C．Despite D．As

6．A. taking B．going

C．growing D．bringing

7．A. hours B．miles

C．meters D．distances

8．A.as B．which

C．that D．when

9．A. pedaling(骑自行车) B．driving

C．running D．walking

10．A. Trip B．Tour

C．Journey D．Travel

11．A. cover B．follow

C．complete D．drive

12．A. raise B．rise

C．earn D．gather