What is the focus of study for researchers at present?
A．Large marine creatures.
B．Tiniest marine creatures.
C．Deep-sea creatures.
D．Different types of roundworms.

未分类题What can be inferred from the passage?A．The deep sea area is full of different types of newly found creatures.B．Findings of new creatures enable us to have a fresh look at the deep sea area.C．The deep sea area has long been regarded as an area without life.D．There is no difference between the deep sea area and tropical forests.

未分类题The author would probably assess Kammers research as______.A．epoch-makingB．meaninglessC．confusingD．enlightening

未分类题Either of the plans______equally dangerous.A．areB．isC．wereD．be

未分类题Which of the following is true of Para. 3?A．Clean energy fever is fuelled mainly by human psychological weakness.B．The energy provision for the coming decades will undergo rapid changes.C．Hydrogen as a new energy will replace traditional energy forms like coal,and gas.D．Supporters of clean energy business are pretty optimistic about its future.

未分类题According to the passage, the fact that young people seem to be losing interest in science_____.A．may cause the lack of scientists throughout the world in the century to comeB．is mainly due to the explosion of scientific informationC．may increase the communications gap between young people and scientistsD．may hinder the development of human society