题目选项分析

The performance of the latest generation of ground-based telescopes exceeds that of existing orbiting observatories. Since ground-based telescopes are also cheaper to build than ones that must be launched into space, scientists should end their plans to develop new orbiting observatories.

Which of the following is most like the argument above in structure?

【选项】Athletes who train using a mix of artificial training systems, such as treadmills, and natural training environments, such as outdoor trails, quickly achieve optimum fitness. Smart trainers should, therefore, make sure they have good access to outdoor locations in addition to indoor gyms.