题目内容

()是高技术的极限。
A电脑
B数码相机
C人
D太空探索

查看答案

搜索结果不匹配？点我反馈

更多问题

Mt. Everest
Mt. Everest, which is located at the border between. China and Nepal, is the world's highest mountain. It measures 29,035 feet. And the mountain is still growing! Geological forces push it up a few millimeters each year.
Grand Canyon
Visitors to the Grand Canyon of the Colorado River in Arizona admire its breathtaking colors, rock formations and cliffs. No picture can adequately capture its beauty. The canyon is 277 miles long and from 4 to 18 miles wide.
Great Barrier Reef
The Great Barrier Reef extends 1,200 miles along Australia's northeast coast through the Coral Sea. It is the largest coral formation in the world and is visible from space! Actually, it is not one reef but a chain of thousands.
Victoria Falls
Victoria Falls stretch across the Zambezi River between Zimbabwe and Zambia. Locals call the falls "Mosioa Tunya" or "The Smoke that Thunders". The roar of the water can be heard far before the mist from the falls comes into view.
Amazon Rain Forest
The Amazon Rain Forest covers more than a billion acres of northern South America. If this rain forest were a country, it would be the ninth largest one in the world!
【46】is the world's highest mountain.
The Grand Canyon is【47】in length and from 4 to 18 miles in width.
The largest coral formation in the world is located in the country of【48】.
"Mesioa Tunya" is the name of【49】called by the locals.
The area of the Amazon Rain Forest is more than【50】.

选择机会越多，对选择者的要求越()。
A小
B少
C低
D高

否认下向因果关系会导致活力论、神秘主义等。()

在志留纪之后，才逐渐出现了陆生的这种蕨类的低等的植物。()