48. According to the passage, which of the following presents for babies may not appear in the baby shower? (A) diapers (B) cigarettes (C) baby clothes (D) milk powder

10. The dirty air, known as smog, is a combination of weather conditions, fumes and smoke from cars and factories and therefore is sure to ______ many serious health problems. (A) bring up (B) give rise to (C) look forward to (D) have little to do with