▶ Your Answer :
The reading passage contends that there are several problems to a manned mission to Mars. On the other hand, the lecturer brings up several reasons to contradict this argument.
First, the lecturer argues that researchers could overcome serious threat of covered dust by using the sound technology. To be specific, the higher pitch of sound can make dust blow away. Therefore, the dust will not be danger to human health and a variety of machine. This refutes the reading passage’s assertion that covered dust in Mars can be a serious threat to the spaceship and astronauts.
Next, according to the lecturer, the psychological impact of the trip can be manageable. Astronauts were trained very long time to overcome the psychological risk. Also, counselling and video therapy during the trip could be provided by using computer program. Therefore, astronauts can handle their psychological damages when they are isolated. This casts doubt on the reading passage’s argument that the psychological impact of the long trip to Mars is another problem.
The final point made by the lecturer is that the financial burden is not big happen. This is because several nations can cooperate to do a manned mission to Mars. For example, some countries did a collaboration to build ‘international space station’. They also could make another partnership for a manned Mars expedition. Also, the expedition is going to yield a lot of advanced technologies, this would give many advantages to nations. This counters the reading passage’s claim that the financial cost of manned missions would be quite difficult for a country.
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