1.   A new class of trainees started every Monday.

2.   Although the new Mayors tended to be younger men, they did not represent a new class of people.

3.   As a result, new classes of free radical are particularly interesting to chemists.

4.   But even more evident has been the growth of a new class of wealth.

5.   Doctors are reluctant to prescribe a new class of drugs, especially ones which need to be taken for long periods of time.

6.   Having seized political power, the new ruling class presides over the transformation of the social structure.

7.   In the second paper, describes the discovery of a new class of neuron in the optic lobe of the dragonfly.

8.   Robert Reich and James Fallows are two of the best writers who worry over the new class division in the country.