判断(2分)适度的体育锻炼时可使运动中枢兴奋,提高学习效率。
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判断(2分)当一个人的情绪消极或任务超出能力时,生理与心理易出现疲劳。
A. 对
B. 错
Mrs. Brown was very ______ when she broke her beautiful teapot.
A. troubled
B. upset
C. damaged
D. offended
Fat people should ______ the temptation to eat a lot of sweet things.
A. cancel
B. resist
C. deny
D. refuse
He looked for a table to sit down at, but they were all ______.
A. reserved
B. engaged
C. used up
D. filled in