1. This passage is most probably taken from_______.
[ A ] an article of popular science
[ B ] the introduction of a book of astronomy
[ C ] a lecture given by the author to astronomy students
[ D ] the preface of a piece of science fiction
2. The author's purpose in presenting the first paragraph is_______.
[ A ] to explain the background and new features of today's astronomy
[ B ] to discuss in detail the most recent achievements in space research
[ C ] to introduce some newly established space stations
[ D] to illustrate that the world today is different in many aspects from that of a generations ago
3. The author thinks that the growing interest in space exploration among people on Earth will probably lead to_______.
[ A ] all people having chances of travelling in space
[ B ] the realization of permanent settlement on other planets
[ C ] more disturbance not only on Earth but also in outer space
[ D ] order, harmony and peace on our planet Earth
4. The author believes that today's astronomy students_______.
[ A ] are much brighter than students of a generation ago
[ B ] no longer care about astronomical facts
[ C ] are better-informed about the unseen worlds of space
[ D ] may learn more about man and his research in various fields through the study of astronomy
5. In the last paragraph, the underlined expression "these developments" refers to all of the following EXCEPT_______.
[ A ] the development of science fiction and special effects of films
[ B ] the new concepts about the universe acquired by today's astronomy students
[ C ] the world-wide involvement in space exploration
[ D ] humanity's new achievements in the field of astronomy