31.   Some investors said stocks may fall further if further signs of economic weakness emerge in Japan.

32.   Still, warning signs are emerging.

33.   The health officials said pesticide spraying would occur only as a last resort, if clear signs emerge that the virus threatens people.

34.   The first concrete signs of trouble emerged in Thailand when real-estate developments failed to fill with tenants.

35.   The signs emerged gradually.

36.   The walls are adorned with pictures, while bedsheets bear monograms, a sign of individualism emerging among a communal people.

37.   They will also consider aerial spraying, though only if signs emerge that large numbers of mosquitoes here carry the virus.

38.   Three separate signs of strength emerged Thursday.

39.   Warning signs soon emerged.

40.   Other hopeful signs emerged Thursday.