阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
High School in Austria is a fantastic way to experience life overseas while you're growing academically.
Activities
Austria's lots of lakes, forests and mountains enable it to offer a great variety of activities. Alpine skiing began with local competitions in the Austrian Arlberg area. Snowboarding, surfing, sailing, horseback riding, soccer, tennis and volleyball are also popular activities.
•Academic Year
Dates: August—June
Application Before April 15th
Early Application Discount of US $500 if you apply by February 2nd
•Fall Trimester (一学年三学期中的一学期)
Dates: August—November
Application Before April 15th
Early Application Discount of US $300 if you apply by February 2nd
•Fall Semester (半学年)
Dates: August—January
Application Before April 15th
Early Application Discount of US $500 if you apply by February 2nd
•Spring Trimester
Dates: January—April
Application Before October 1st
Early Application Discount of US $300 if you apply by July 2nd
•Spring Semester
Dates: January—June
Application Before October 1st
Early Application Discount of US $500 if you apply by July 2nd
Eligibility
You should：
Be between 15 and 18 years of age.
Be from the United States or Canada.
Have a high school grade of at least 2.75/4.
Be in great mental and physical health.
Have a genuine interest in becoming a part of your host family and community.
Be willing to learn the German language.
Costs
Academic Trimester: US $8，820
Academic Semester: US $12，470
Academic Year: US $14，160
21．When should you hand in your application to study in Austria for a year at a discount?
A．By July 2nd. B．By April 15th.
C．By October 1st. D．By February 2nd.
22．How much will it cost to stay there for one trimester in fall if you apply in March?
A．US $8，820. B. US $12，470.
C．US $14，160. D. US $8，520.
23．Which of the following makes a student unsuitable for High School in Austria?
A．Being an American. B．Having a high school grade of 3.5.
C．Being willing to learn German. D．Being over 18 years old.
