()American teachers sometimes have trouble understanding Japandse students in class because Japanese students ()
A. do not show their emotions as freely as American stydents do
B. are similar to American students in showing emotions
C. only express their emotions when permitted
D. do not know what to say
A smile is typically an expression of () in American culture.
A. embarrassment
B. politeness
C. sadness
D. pleasure
Which of the following statements is correct according to che passage()
A. The total prevention of tsunamis is possible.
B. Rich countries are less affected by tsunamis than poor countries.
C. Approaching tsunamis can possibly be picked up by sensors.
D. An early warning system is effective when a tsunami is close by.
37()
A. sitting
B. sat
C. to sit
D. sit
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