Complete each sentence with the correct ending, A-G, below. Write the correct letter, A-G, in boxes 37-40 on your answer sheet.

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问题 Complete each sentence with the correct ending, A-G, below.
Write the correct letter, A-G, in boxes 37-40 on your answer sheet.
A inconsistencies between height, skeleton and dental evidence.
B the fact that human beings walk on two legs.
C the way teeth grew.
D a need to be dependent on others for survival.
E difficult climatic conditions.
F increased quantities of food.
G the existence of much larger brains than previously.
Steven Leigh thought the existence of adolescence is connected to

选项

答案B

解析 ’According to his theory, adolescence evolved as an integral part of efficient upright locomotion Distraction F: Although Steven Leigh links short growth spurts with an increased need for food, he doesn’t say the existence of adolescence is connected to food; G: Although he thinks adolescence may be because of the need to ’accommodate more complex brains’, there is no mention of the size of the brains or comparison of brain size with the past.
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