1.   At the end of each chapter there is a series of exercises designed to help the learner.

2.   Essentially the series is a weighted average of the share of total assets that different financial institutions were permitted to invest overseas.

3.   In short, there never was a series of divine cataclysms, and the existence of mankind on earth was relatively short.

4.   Instead, there was a series of concentric circles, surrounding a small black disk.

5.   It was a tense moment but, luckily, he said yes so the seven-part series was under way.

6.   The series has been on TV every week for forty years.

7.   The series is an object lesson in, among many other qualities, the differences of gaze.

8.   The series is set on a giant space station shaped like a cylinder rotating about an axis along its length.

9.   The series of numbers is like the series of human beings-in-finite numbers of individuals.