Select the correct text in the passage. which four phrases in this excerpt from robert stawell ball's great astronomers convey a commendable tone toward ptolemy's work? the name, ptolemy, appears to have been a common one in egypt in those days. the time at which he lived is fixed by the fact that his first recorded observation was made in 127 ad, and his last in 151 ad. when we add that he seems to have lived in or near alexandria, or to use his own words, "on the parallel of alexandria," we have said everything that can be said so far as his individuality is concerned. ptolemy is, without doubt, the greatest figure in ancient astronomy. he gathered up the wisdom of the philosophers who had preceded him. he incorporated this with the results of his own observations, and illumined it with his theories. his speculations, even when they were, as we now know, quite erroneous, had such an astonishing verisimilitude to the actual facts of nature that they commanded universal assent. even in these modern days we not unfrequently find lovers of paradox who maintain that ptolemy's doctrines not only seem true, but actually are true.

Consider the text from "machu picchu: a city in the sky” and its central idea. informational text: every year, thousands of tourists come to peru to see machu picchu. to reach machu picchu, tourists can hike along the famous inca trail. the trail covers twenty-six miles. it winds through beautiful mountains, forests, and jungle. visitors can also take a bus or train ride up to the ruins. the train takes you past miles of farmland along the urubamba river valley. above are the andes mountains. the tops of the mountains are often covered with mist. then, the train goes up a mountain on a winding road. the road climbs almost 1,640 feet. other incan ruins can be seen beside the road. most are very small compared to the city ahead. central idea: tourists enjoy visiting machu picchu in the mountains of peru. what supporting detail is most important to include in a summary of this text? people can hike the inca trail or take a train or bus to reach machu picchu. when people travel to machu picchu, they see miles of surrounding farms. people are surprised by the mist on the peaks of the andes mountains. when people visit machu picchu, they sometimes see other smaller ruins.