托福考试2017阅读模拟冲刺题（十八）_第2页

　　6. The word "suitably" in line 16 is closest in meaning to

　　(A) willingly

　　(B) moderately

　　(C) appropriately

　　(D) emotionally

　　7. The author mentions all of the following as attachment behaviors of human infants EXCEPT

　　(A) grasping

　　(B) crying

　　(C) eating

　　(D) smiling

　　8. According to the passage , attachment behaviors of infants are intended to

　　(A) get the physical, emotional and social needs of the infant met

　　(B) allow the infant to become imprinted on objects that resemble the parent

　　(C) provide the infant with a means of self-stimulation

　　(D) prepare the infant to cope with separation

　　9. The phrase "affectional tie" in line 30 is closest in meaning to

　　(A) cognitive development

　　(B) emotional attachment

　　(C) psychological need

　　(D) behavioral change

　　10. It can be inferred from the passage that ethological theory assumes that

　　(A) to learn about human behavior only human subjects should be studied

　　(B) failure to imprint has no influence on intelligence

　　(C) the notion of critical periods applies only to animals

　　(D) there are similarities between animal and

　　参考答案：CBADD CCABD