填空题 Questions 7-12
Complete the sentences below.
Write NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.
Write your answers in boxes 7-12 on your answer sheet.

填空题 Some four-legged animals are capable of galloping ______ fast as humans can sprint.

填空题 ______ is a style of running in animals which is physically similar to running in humans.

填空题 Apart from humans, no other ______ are able to run long distances.

填空题 When running, a chimpanzee cannot keep its head facing ______.

填空题 It is impossible to test fully any of the suggested reasons why humans began to ______.

填空题 There has been a type of human physically capable of running long distances for about ______.

单选题 Which of the following statements best describes the writer's main purpose in Reading Passage 1?A. To criticize the lack of interest among scientists in the role of running in human evolution.
B. To suggest that humans are physically better suited to distance running than sprinting.
C. To encourage people to improve their fitness and health by doing more distance running.
D. To explain how the human body inevitably evolved to enable faster distance running.