What the scientists will do in 2004__________.
第1题
The scientists found what the isolated roots need is ______
A.quite natural
B.sugar, minerals and vitamins
C.some rare vitamins
D.organic nitrogen compounds
第3题
To study animal emotions, scientists should
A.set up improved and refined skillful experiments.
B.analyze human emotional.
C.distinguish what is emotional and what is conditioned.
D.learn from animal behaviorists.
第4题
ay to discover truth.
A.ln case of
B.Regardless of
C.ln the event of
D.Despite of
第5题
The scientists have absolute freedom as to what research they think it best to______
A.pursue
B.devote
C.adjust
D.engage
第6题
What is the attitude of the author towards the two scientists?
A.Pro-Newton
B.skeptical
C.Pro-Einstein
D.objective
第8题
What's the author's attitude shown in the passage?
A.Supportive to the scientists' research.
B.Opposed to the lead pollution.
C.Just descriptive of an on-going fact.
D.Positive to the prospect of the solution of lead pollution.
第9题
What caused the scientists of Sydney University to conduct the investigation?
A.A chance encounter with music-playing cars.
B.A proposal by the European Congress of Psychology.
C.An experience of traveling in music-playing vehicles.
D.The growing number of traffic accidents.