The investigation direction of case-control studies is from exposure to outcome, prospectively.
错误
举一反三
- The difference in epidemiological experimental studies compared with prospective cohort studies is A: Research direction from outcome to causes B: Established a control group C: Interventions were implemented for the experimental group D: Can be used for cause inference E: Can be used to verify the cause of the hypothesis
- 词汇与结构 Move the control stick all the way to the left into the direction from which the _______ is coming.
- We will updated you on the outcome of any investigation and contact you for (addition)______ information if necessary.
- set of are installed to control the speed and direction of the vehicle.
- With regard to quality of literatures, the evidence with lowest quality is ( ) A: Meta-analysis B: Expert opinion C: Case-control studies D: Randomized controlled trials
内容
- 0
19（） A: guidance B: direction C: control D: management
- 1
There are case studies in chapters of Romance and Social Drama films.( )
- 2
In hydraulic transmission, the hydraulic control valve used to control the pressure, flow and direction of liquid is ( ). A: Power plant B: control unit C: auxiliary device D: Actuator
- 3
The costs of control must be considered. A: traffic B: commute C: pollution D: direction
- 4
Strongly remind yourself ______the outcome that comes from habitual procrastination.