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

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

The application of new technologies such as surgical zipper and medical glue can prevent the occurrence of scar after operation.

No gas leaks or fires were reported at the site at the time of the . A: occurrence B: appearance C: beginning D: happen

Our aim was to _____ whether or not vitamin D supplementation or deficiency in infancy could affect occurrence of type 1 diabetes.

Their wedding will be quite an _______ i.e. a large number of people will attend. A: accident B: occurrence C: incident D: event