Tipologia di domande:
Comprensione del testo
Modern technology has given us the power to use renewable natural resources faster than they
can be replaced. The decline of fish numbers provides one example of the way in which modern
technology can rapidly use up a natural resource. Modern fishing ships equipped with fish detecting
systems and huge nets can gather up vast quantities of fish quicker than the sea can renew them.
Because high technology gives us such harmful powers, we must learn to use the renewable
resources of the earth carefully, rather than waste them.
Which one of the following best expresses the main conclusion of the above passage?
A Humans must preserve renewable resources by learning how to use them carefully.
B Fish need to be carefully protected to prevent them from being destroyed.
C Modern technology simply takes from the environment and destroys its resources.
D Most people are unaware of the damaging effects of modern technology.
E Fishing is now a serious threat to the world's environment and should cease.
Three friends, Adam, David and Sue are sharing out a bag of marbles. To do this more quickly,
they take 10 marbles each time and repeat until the bag is empty. There are not enough marbles
for Sue to take 10 on the last turn. Adam and David then give her two marbles each and they all
have the same.
How many marbles did Sue take on the last turn?
Which one of the following molecules will contain the greatest number of different elements?
A amino acids
D polysaccharide carbohydrates
E monosaccharide carbohydrates
Which one of the following is correct about the first and second electron affinities of oxygen?
A first = slightly exothermic; second = very endothermic
B first = slightly exothermic; second = very exothermic
C first = slightly endothermic; second = very exothermic
D first = slightly endothermic; second = very endothermic
E first = very exothermic; second = very exothermic
Which one of the following is NOT a vector?
A electric charge
E electric field