根据下图回答下面问题。
女性的失业率低于男性的有()。
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Which of the following you should avoid to keep yourself interested in exercise？
A. Hanging up your exercise shoes if you feel tired.
B. Keeping boredom away from your daily activity.
C. Making a schedule with too high goals in it.
D. Running a marathon at the beginning of the month.
What is critically important in making long-lerm resolutions successful？
A. You should be struggling with yourself all the time.
B. You should constantly evaluate the results you want.
C. You should try to keep yourself motivated.
D. You should try your best to diversify your fitness practice.
What is, according to Nell Ferguson, the possible risk of bird flu if one gets infected？
Anyone's infection will trigger pandemic though it is probably one in ten thousand.
B. That each time a person gets infected with the virus will cause an enormous pandemic bird-flu.
C. The person infected with the virus will do great harm to people around him.
D. It is impossible that the virus infection of a certain person will cause a national bird virus spreading.
亦称详细定员标准，是以某类岗位、设备、产品或工序为对象制定的标准。
A. 效率定员标准
B. 岗位定员标准
C. 单项定员标准
D. 设备定员标准
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