The phrase "one open question" is grammatically correct and can be used in written English.
It means a question that has not yet been answered or resolved. Example: Despite the extensive research conducted, there remains one open question in the field of psychology that has yet to be answered: the nature of consciousness.
"One open question on my mind is, 'What does Taxi TV look like two years from now?' " Mr. Yassky said that several months ago, executives with Square, which is run by Jack Dorsey, the executive chairman of Twitter, approached him with a pitch to bring their technology to New York taxicabs and livery cars.
To assess the role of various determinants that were presumed by the investigators to influence the decision not to participate, a 6-point Likert scale from 0 (no role) to 5 (major role) was used, as well as one open question on why the adolescent did decide not to participate in the study.
We report here the findings relating to medication systems and processes, based on 18 closed questions plus one open question about local medication safety initiatives.
The questionnaire contained 18 questions to be rated on a 5-point Likert scale and one open question.
One open question, though, is how that will happen on iOS.
The formal examination consisted of 15 multiple-choice questions and one open question relating to tumour pathology and seven open questions on the other topics.
One open question is the route that bacteria take from mothers to their fetuses.
One open question, however, is how effective any rules would be if they applied only to Europe.
One open question is how much hay Republicans will be able to make out of such sentiments.
One open question, according to the researchers, is how a high temperature, which would be generated by the waste itself, affects the interactions.
One open question is whether a Romney administration would wait to decide which additional techniques to authorize until an important terrorism suspect is captured alive.
