________it not been for the intolerable heat in the hall, they would have stayed much longer.
A.If
B.But
C.Should
D.Had

The word “evolved” in line 3 is closest in meaning to ______________.
A.reduced
B.increased
C.simplified
D.developed

Unlike American children, Asian children are encouraged to ________________.
A.display their emotions openly
B.control their emotions
C.conceal their positive emotions
D.change their behaviour

The phrase “this evidence” in line 24 refers to ________________.
A.the fact that children are good at recognizing others’ emotions
B.a biological underpinning for humans to express emotions
C.the fact that children can control their feelings
D.human facial expressions

Many studies on emotional expressions try to answer the question whether _____________.
A.raising the eyebrows has similar meaning to rounding the mouth.
B.different cultures have similar emotional expressions.
C.eyebrow raising means the same inMinneapolis andMadagascar.
D.rounding the mouth has the same meaning inMinneapolis andMadagascar.

According to the passage, we respond to others by ______________.
A.observing their looks
B.watching their actions
C.observing their emotional expressions
D.looking at their faces

The best title for the passage is ________________.
A.A review of research on emotional expressions
B.Ways to control emotional expressions
C.Cultural universals in emotional expressions
D.Human habit of displaying emotions

A.appearance
B.ambitious
C.performance
D.telephone

What was the initial problem that madePullman’s cars unusable? - They were too _________.
A.large
B.expensive
C.slow
D.unusual

What is stated the most importantly in the passage about George Pullman?
A.He once had a job in a store.
B.He always lived inChicago.
C.He worked in a mine.
D.He saved money for his project.