【单选题】听力原文: If the earth gets hotter, what will happen to animals and plants which animals depend on for survival? The question offers another way of looking at the 'Greenhouse Effect'. People have talked a...
A.
Whether it can be detected and checked.
B.
Whether it will lead to widespread food shortage.
C.
Whether global warming will speed up in the future.
【单选题】听力原文: If the earth gets hotter, what will happen to animals and plants which animals depend on for survival? The question offers another way of looking at the 'Greenhouse Effect'. People have talked a...
A.
Whether it can be detected and checked.
B.
Whether it will lead to widespread food shortage.
C.
Whether global warming will speed up in the future.
【单选题】Animal Intelligence Are Animals intelligent? If they are, which animals are the most intelligent? These are not easy questions to answer. In the first place, no one is quite sure what intelligence is....
B.
Chimpanzees can solve certain problems without any help.
C.
Some animals seem able to do this.
D.
In all these cases we may say that an animal is using intelligence.
E.
In other words, he did not simply use a tool, which itself is intelligent: he made a tool.
F.
They do not remember places and directions and then make decisions.