The technology of building upwards existed in the

In the first place, some aspects of the traditional technology and methods are harmful and hampering the development of modern science and technology.（英译中)

The force of the explosion broke all the windows in the building.（英译中)

The main point of paragraph 5 is ______.A．to describe the existing research in the fieldB．

A．It may exist in the neighborhood of big stars.B．It may exist in the neighborhood of

All of the following resulted in a "pause" for the last 15 years in the upward climb of gl

It is based on technology that already exists－—its not a pie in the sky prediction. The un