题目

听下面一段独白，回答以下小题。 （1） Where can one probably see a spider? A . 23,000 feet above sea level. B . 2,200 feet below the earth's surface. C . On Mount Qomolangma. （2） What can we conclude from the talk? A . Spiders deserve more respect of us. B . Spiders are dying out of the earth. C . People should raise spiders to destroy insects. （3） Why would human life be in danger if there's no spider? A . Because spiders catch and eat insects. B . Because spiders can protect our environment. C . Because spiders can help reduce air po九大都市圈都具备的优势条件是: ①地形开阔、土壤肥沃                     ②气候适宜、取水方便 ③交通便利、工商业较发达          ④人口自然增长快、科技水平高 A．①②  B．②③     C．③④    D．①④