Read the text. Fill in the gap with the missing part of the sentence.
One part is extra.
At this time scientists feel that the best place to establish a station would be either at the North or South Pole. Here the temperature does not change as much throughout the day as it does near the equator. _____________

• Moreover, the poles see much more sunlight, which can be used for solar energy.
• Just think, 400,000 dollars is needed to send an object that weighs around four kilos to the Moon.
• All the same, we have not found any evidence that the Moon has water.
• Perhaps the human race may be able to live on Mars in the future!
• Yet, we must face the fact that before this can happen we have a few problems to deal with.
• With this information they will be able to finally know if there is water on the Moon.
• If this is the case, astronauts can use solar energy to melt the ice into water.