Participants in the experiment were
A. 36 bladder cancer patients.
B. 144 cancer patients.
C. 108 healthy people.
D. 144 sick and healthy people.
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SleepSmart is a clock that
A. enables you to go to sleep.
B. enables you to sleep deeply.
C. enables you to get up early.
D. wakes you up during your last light sleep phase
二、数学运算：共15题。在这部分试题中，每道试题呈现一段表述数字关系的文字，要求你迅速、准确地计算出答案。
第11题：
二、多项选择题（10题）。以下各题的备选答案中至少有两项是符合题意的，请将它们选出。
第76题：
A) invention B) intervention C) convention D) creation
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