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【单选题】
Which of the following statements is CORRECT according to the first two paragraphs?A.
After being tripled, the number of people who found no one to discuss important matters becomes 75% of the population.
B.
Loneliness can affect both men and women in terms of physical and mental disorder.
C.
The loneliness you feel today will bring depression to you one year later, according to Cacioppo.
D.
People feel lonely because they have unhealthy lifestyles, for instance, drinking more alcohol.
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举一反三
【单选题】小刘测得某三相发电机绕组接成星形时线电压是 6.3KV ,如果将其接成三角形,则测得线电压为( )
A.
10.9KV
B.
6.3KV
C.
3.64KV
D.
4.63KV
【单选题】小刘测得某三相发电机绕组接成星形时相电压是 6.3KV ,如果将其接成三角形,则测得线电压为( )
A.
10.9KV
B.
6.3KV
C.
3.64KV
D.
4.63KV
【单选题】腰椎间盘突出症中发病率最高的节段是
A.
腰 1 ～腰 2 和腰 2 ～腰 3
B.
腰 2 ～腰 3 和腰 3 ～腰 4
C.
腰 3 ～腰 4 和腰 4 ～腰 5
D.
腰 4 ～腰 5 和腰 5 骶 1
E.
腰 5 骶 1 和骶 1～2
【简答题】实验室中的交流电压表和电流表,其读值是交流电的
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