1. (2020·张家界) 阅读下面材料，从题中所给的A、B、C三个选项中，选出最佳选项。

    Zhangjiajie Glass Bridge Facts

    Length: 430 meters (l, 410 feet)

    Width: 6 meters (20 feet)

    Height: 300 meters (984 feet)

    Highlights: Walk on transparent glasses and enjoy a panoramic view (全景) of the stunning (震撼的，吸引人的) Zhangjiajie Grand Canyon. There is a platform for making a 285-meter (935 feet) bungee-jump (not open yet).

    Opening Hours: April-November: 7:30 a.m.-5:30 p.m.

    December-March: 8:00 a.m.-4:00 p.m.

1. （1） How high is Zhangjiajie Glass Brigdge?

   A . 430 meters B . 285 meters C . 300 meters
3. （2） What does the underlined word "highlights" mean?

   A . The highest parts. B . The most stunning parts. C . The most dangerous parts.
5. （3） There will be an extreme sport (极限运动) —________in the future.

   A . snowboarding B . paragliding C . bungee-jump
7. （4） The opening hours are ________ Summer.

   A . 8:00 a.m-4:00 p.m. B . 7:00 a.m.-4:00 p.m. C . 7:30 a.m-5:30 p.m.