1. Although a surge in retail sales has raised hopes that a recovery is finally underway, many economists say that without a large amount of spending the recovery might not last.

2. Of all the vast tides of migration that have swept through history, perhaps none was more concentrated than the wave that brought 12 million immigrants onto American shores in little more than three decades.

3. Diabetes, together with its serious complications, ranks as the nation&aposs third leading cause of death, surpassed only by heart disease and cancer.

4. A survey by the National Council of Churches showed that in 1986 there were 20,736 female ministers, almost 9 percent of the nation’s clergy, double the figure for 1977.

5. As its sales of computer products have surpassed those of measuring instruments, the company has become increasingly willing to compete for the mass market sales it would in the past have conceded to rivals.

6. Like the Brontes and Brawnings, James Joyce and Vrginia Woolf are often subjected to the kind of veneration that blurs the distinction between the artist a-d the human being.

7. Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network that keeps the brain from getting too hot.

8. Rising inventories, if not accompanied by corresponding increases in sales, can lead to production cutbacks that would hamper economic growth.

9. Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun&aposs poles or equator.

10. Unlike those in the United States, Japanese unions appear reluctant to organize lower-paid workers.

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