[解析]
(1)B.细节理解题。根据原文第一段An unexpected silver lining during these challenging times for humans is that many animals are finally getting a chance to leave their normal habitats and move about freely.(对于人类来说,在这段充满挑战的时期,一个意想不到的好消息是,许多动物终于有机会离开它们的正常栖息地,自由活动。)可知动物们能够享受没有游客干扰的时光。B.They can enjoy a free life without tourists' disturbance.(他们可以享受没有游客干扰的自由生活)正确。故选B.
(2)D.词义猜测题。根据原文第三段"Let us help make your children's hiatus from school fun and educational." zoo officials announced,"Join us for a Home Safari Online Live each weekday at 3 pm,where we will highlight one of our amazing animals and include an activity you can do from home."(动物园官员宣布:"让我们帮助你的孩子在学校的停滞时间里享受乐趣和教育。每个工作日下午3点加入我们的家庭Safari在线直播,在那里我们将突出我们令人惊叹的动物之一,并包括一个你可以在家做的活动。")结合前后文可知划线处为"中断;停滞"之意。A.Courses.课程;B.Sightseeing.观光;C.Activities.活动;D.Interruption.中断。故选D.
(3)A.细节理解题。根据原文倒数第二段Meanwhile,the San Diego Safari Park has kept their webcams(网络摄像头)rolling,allowing fans to enjoy lovable animals without leaving home.(与此同时,圣地亚哥野生动物园的网络摄像头一直在运行,让粉丝们足不出户就能欣赏可爱的动物。)可知是为了让人们在家也能观赏动物。A.To enable people to admire animals at home.(使人们能够在家里欣赏动物)正确。故选A.
(4)C.标题归纳题。通读全文,可知文章讲述了在疫情期间,由于人们严格遵守防疫规定,而动物们却得到了没人类干扰的自由时光,然后通过视频观看动物们却意外流行起来。C.Animals Play in the Absence of Humans(动物在没有人类的情况下玩耍)为最佳标题。故选C.