In
a population of 5000, incidence of disease is 100 in 1 year duration
of disease studied for is 2 years calculate Prevalence ()
A: 400/1000
B: 80/1000
C: 20/1000
D: 40/1000
a population of 5000, incidence of disease is 100 in 1 year duration
of disease studied for is 2 years calculate Prevalence ()
A: 400/1000
B: 80/1000
C: 20/1000
D: 40/1000
举一反三
- In a population of 5000, incidence of disease is 100 in 1 year duration of disease studied for is 2 years calculate Prevalence ( ) A: 400/1000 B: 80/1000 C: 20/1000 D: 40/1000
- 一般施工总体布置图和单位工程施工平面图分别为() A: 1:1000~1:5000和1:500~1:1000 B: 1:500~1:1000和1:2000~1:5000 C: 1:2000~1:5000和1:500~1:1000 D: 1:1000~1:5000和1:500~1:1000
- 散水的宽度一般为( )mm。 [br][/br] ( A: 600~1000 B: 500~800 C: 400~900 D: 500~1000
- 用银行存款支付业务招待费1000元,会计分录正确的是( ) A: 借:制造费用1000 贷:银行存款1000 B: 借:管理费用1000<br/>贷:银行存款1000 C: 借:财务费用1000<br/>贷:银行存款1000 D: 借:销售费用1000<br/>贷:银行存款1000
- 模板起拱高度宜为梁、板跨度的()。 A: 1/1000~3/1000 B: 2/1000~4/1000 C: 1/1000~4/1000 D: 2/1000~3/1000