In a test of the mean of a population, if the population variance is: A: known, a z- distributed test statistic is appropriate. B: known, a t- distributed test statistic is appropriate. C: unknown, a z -distributed test statistic is appropriate.

Choose the sentence which is NOT appropriate.

When it comes to diction, if your subject is personal, ________ will be most appropriate.

For large shipments even if less than a full truckload, a truck is more appropriate.( )

中国大学MOOC: For a job interview for men, a formal black suit is more appropriate.

— Are they coming to the party?— I'm sure so.The usage of substitution in the above dialogue is appropriate.

For a job interview for men, a formal black suit is more appropriate. A: 正确 B: 错误

Choose the sentence which is NOT appropriate.( ) A: The salad is crunchy. B: The chicken is soft. C: The ice-cream is creamy.

Choose the sentence which is NOT appropriate. A: The chicken is soft. B: The ice-cream is creamy. C: The salad is crunchy. D: /

‌Choose the sentence which is NOT appropriate.‌ A: The chicken is soft. B: The ice-cream is creamy. C: The salad is crunchy. D: /