The behavior of human beings can be very complicated. To find out how we learn, scientists often study the activities of animals. Sometimes they see how long it will take for a mouse to reach food in the center of a maze. Sometimes pigeons or other animals are taught to obtain food by pressing buttons. (A) In the first experiments in space flight, trained chimpanzees and dogs were sent into orbit. (B) They proved that living things could carry out certain activities while whirling about in space. (C) One early theory likened human memory to a muscle that had to be regularly exercised in order to function properly. This theory was eventually replaced by the notion that remembering was like writing, with experience the pen and the mind a blank page. (D) But eventually this theory was also rejected. In its place came another hypothesis--that human memory functioned like a complex and well-stocked library catalog. With access to a key word, you could look up any piece of stored information. But over time that theory has also been discarded. Human memory may, in fact, be too sophisticated and too complex to be explained through any one single simile or metaphor. When a paragraph contains two main ideas, it should be divided into two paragraphs. Choose the letter at the point where the passage should be divided. A) A B) B C) C D) D

What crucial event can change a protagonist's life

Select the correct answers. what does this passage reveal about eric and garrett? the biggest race on the warm-up field, eric went through his usual routine of stretching so he’d be fully prepared for the race. in what seemed like just a couple of minutes, he heard the announcer. “all 400-meter runners, make your way to your starting lanes.” as eric got into position, another runner named garrett taunted him. “you do know there’s no way you’re going to beat the speed of speed, don’t you? ” he said with a chuckle. eric pretended he didn’t hear garrett and cleared his mind of everything. the announcer yelled, “runners, take your mark, get set! ” as the starting gun sounded, eric took off with the rest of the runners. garrett immediately sprinted ahead of the pack, but eric hung back and kept a close eye on garrett. as they turned the last corner and headed down the straightaway, eric stayed focused and picked up his pace. soon he was running right beside garrett. just a few yards from the finish line, eric made a strong push. he crossed the finish line just a few feet ahead of garrett. a. garrett and eric are both overconfident about their speed. b. garrett likes to boast about himself, while eric is more modest. c. eric is focused, whereas garrett is distracted. d. eric believes in warming up, while garrett prefers to sprint.

Auden's musée des beaux arts" and williams's "landscape with the fall oficarus" share which common element?