中国大学MOOC: 5. The basic elements of narratives are who, what, when, where, and how of an occurrence.

Probability is the mathematical study of the （）of an event’s occurrence. A: likelihood B: desirability C: predictability D: malleability

Probability is the mathematical study of the _____ of an event's occurrence. A: desire B: effect C: result D: likelihood

What part of speech has a high frequency of occurrence in Chinese sentences?

An occurrence can have only one cause and effect. (true or false?)

Which of the following verb is showing “occurrence”? A: sing B: exist C: be D: develop

Tour operators report low _____ rates.( ) A: occur B: occupancy C: occasion D: occurrence

For a material item to be classified as an extraordinary item on the income statement, the item must be: （） A: current and unusual in frequency. B: probable and infrequent in nature. C: unusual in nature and infrequent in occurrence.

Correcting abruptly chronic respiratory acidosis via mechanical ventilation may result in the occurrence of metabolic alkalosis. ( )

_____ means the chance occurrence of two things at the same time or place. A: flashback B: coincidence C: suspense