vary v.(同类事物间)相异 gambling n. 赌博 predict v. 预测 Listen to a passage and choose the best answer to each of the following questions. [音频] What is said about the coin flip experiment?
A.
It rewards $3 or $5 to each report of “heads”.
B.
It rewards $3 or $5 to each report of “tails”.
C.
It cannot tell whether the participant tells a lie.
【简答题】听第一段对话,回答1至2题。 1. What day is coming soon? A. Mother's Day. B. Children's Day. C. Father's Day. 2. Who will help Frank wash the car? A. His sister. B. His brother. C. His friend.