题目内容：

Griffith Observatory (天文台) is a national leader in public astronomy, and one of the most popular attractions in Los Angeles. It is located on the southern slope (山坡) of Mount Hollywood in Griffith Park at 1,134 feet above sea level.

Visitors may drive to the Observatory and park in its parking lot or on nearby roads. No reservation (预定) is required to visit. Parking is limited, and the busiest times are weekend. Buses, taxis, and carpools are welcome. LADOT provides weekend public bus service from the Sunset/Vermont Metro Red Line station.

Griffith Observatory is open six days a week. Admission and parking are free.

Hours of Operation

Tuesday---Friday                        12:00 noon---10:00 p.m.

Saturday---Sunday                       10:00 a.m.---10:00 p.m.

Monday                                Closed

Thanksgiving Day and Christmas Day        Closed

Samuel Oschin Planetarium

The Samuel Oschin Planetarium theater offers 8 to 10 live, half-hour presentations each day. There are usually four different shows from which to choose.

Shows are presented every 60 to 90 minutes. Check the website, information desks, or the box office for each day’s show times. Late seating is not permitted.

Samuel Oschin Planetarium tickets must be purchased at the Observatory and are only available on the day of the show. The ticket prices for shows are：

Adults  (13-59 years old)     $7.00

Children (5-12 years old)      $3.00

Seniors (60 years and older)    $5.00

Students                    $5.00

Children under 5 years will be admitted only to the first show each day.

Hearing assist devices are available upon request.

Public Telescopes

Free public telescopes are available each evening the Observatory is open and skies are clear. The Zeiss telescope on the roof is generally open by 7:00 p.m.. All observing must be completed by 9:45 p.m..

1.What can we learn about Griffith Observatory according to the passage?

A. It is open all the year around.

B. It is mostly visited at weekends.

C. It becomes famous because of Hollywood.

D. It is the most attractive place in Los Angeles.

2.Which of the following best describes the Samuel Oschin Planetarium theater?

A. Hearing assist devices are provided to seniors.

B. The shows there generally last 60 to 90 minutes.

C. Visitors are required to be seated before the show starts.

D. The tickets for its shows can be bought through the website.

3.To watch the show, a young couple with a 7-year-old son should pay________.

A. $13.00    B. $15.00

C. $17.00    D. $20.00

4.Which of the following is charged?

A. Parking.    B. Telescopes.

C. Hearing assist devices.    D. LADOT bus service.