一、 有无复数(it depends)
Success: although the coach had predicted that the ream would have a winning season, the fans were surprised by the success of the young, inexperienced players. (No error)
The warning in the plays is clear: unless we restore the eintegrity of the family, all traditional values will disappear.
A means of…一种方法： a radio system consists of a means of transforming sounds into telectromagnetic waves.
罕见的large amounts of是复数 Most major air pollutants cannot be seen, although large amounts of them concentrated in cities are visible as smog
Mountains是复数形式 appearing like an apparition in the distance were the beautiful Blue Ridge Mountains.
当说probability时，它本身是可数的。但50%不可数。：the probability of getting hit bu lightning are fewer than the probability of winning the lottery, although both are minuscule.
Complete adj.: although she considers her chemistry research complete. (No error)
Shed v.: Carmen Smith’s novel Hope sheds light on the character Anita.
Successive与successful. 前者是one after another的意思。后者才是成功的意思。