根据下列材料，回答58-63题。


Accoring to the first paragraph, some women attributed lapses in memory or concentration to __________
A) their pregnancy
B) the "baby brain"
C) an unscientific cause
D) changes to their brains

59、 By saying that "the effect was 'a myth' ", Helen Christensen points out that the idea of "baby brain" __________
A) was mysterious
B) was groundless
C) was noteworthy
D) was unexpected

60、 Helen Christensen concludes in the sixth paragraph that __________
A) mothers are respected by their peers
B) mothers are as intellectual as their peers
C) mothers are able to keep up with their peers
D) mothers are despised by their intellectual peers

61、 Cathy Warwick is most likely to agree that pregnant women __________
A) need better care
B) had better stay home
C) must stand hardships
D) may suffer lapses

62、 Why does the author mention the high infant death rates in the last two paragraphs?
A) To illustrate the inefficiency of the Government.
B) As the data of Helen Christensen's research project.
C) To illustrate the difficult pregnancy and motherhood.
D) As the result of mothers' absent-mindedness and tiredness.

63、 根据下列材料，回答63-92题。


According to the passage, Siri is most probably __________
A) still at its experimental stage
B) very popular with iPhone users
C) a US military assistant software
D) an artificial intelligence software

64、 When asking "do I need my umbrella today?", the author found that Siri __________
A) responded quickly
B) ceased working suddenly
C) provided irrelevant information
D) misunderstood the question

65、 What does the author think about Siri's being able to connect to 35 sites?
A) It's not helpful enough.
B) It's convenient enough.
C) It's nothing new.
D) It's something unique.

66、 Siri is distinctive from the other AI applications in __________
A) the keywords it chooses
B) the way it interprets commands
C) the websites it connects to
D) the high speed it responds to commands

67、 What does "combined explosion of interpretations" used by Cheyer refer to?
A) The advantages of Sift.
B) The complexity of words.
C) The wide application of AI.
D) The background of an iPhone user.