Which of the following CAN NOT be used as an adverbial（）

单项选择题What is the main theme of the passage（）

A．Features of bilinguals and monolinguals.
B．Reasons why bilinguals are smarter.
C．Bilinguals and monitoring tasks.
D．Interference and suppression.

单项选择题The author winds up the passage with a （）note.

A．cautious
B．positive
C．humorous
D．warning

单项选择题One of the similarities between company culture and family culture is that（）.

A．culture needs to be nurtured
B．cooperation is the foundation
C．respect and obedience are key elements
D．problem-solving ability is essential

单项选择题Which of the following statements about Dr. Macphail is INCORRECT（）

A．He is made fun of the Davidsons.
B．He was afraid of his wife
C．He was intelligent.
D．He was sociable.

单项选择题According to the passage, which of the following statements BEST reflects the author’s opinion（）

A．Extroversion is arbitrarily forced by society as a norm upon people.
B．Introversion is seen as an inferior trait because of its association with sensitivity.
C．Introverts are generally regarded as either unsuccessful or as deficient.
D．Extroversion and introversion have similar personality trait profiles.