【单选题】反映水体受粪便污染的常用指标是()。大肠菌群主要来自人畜粪便,故以此作为粪便污染指标来评价水体的卫生质量。
【单选题】According to the text, which of the following is true of an agricultural society?
A.
There is fairly equal sharing of work among men and women.
B.
Women play a more dominant role than men.
C.
Men play a more dominant role than women.
D.
Most crimes are committed by women.
【判断题】新社会运动,是指当代欧洲和美国社会涌现出各式各样的社会运动,具有一种深刻的宗教特质。
【判断题】新社会运动,是指当代欧洲和美国社会涌现出各式各样的社会运动,具有一种深刻的宗教特质。()
【单选题】Which of the following is true according to the text?
A.
Personal search agents are indispensable to job-hunters.
B.
Some sites keep E-mailing job seekers to trace their demands.
C.
Personal search agents are also helpful to those already employed.
D.
Some agents stop sending information to people once they are employed.