（）has warmed the waters off AlaskA．
A: El Nino
B: The sun
C: Over-population
D: Pressure
A: El Nino
B: The sun
C: Over-population
D: Pressure
举一反三
- ______ has warmed the waters off Alaska. A: El Nino B: The sun C: Over-population D: Pressure
- ______ has warmed the waters off Alask A: A. El NinoB. The sunC. Over-populationD. Pressure
- A strong El Nino is often associated with wet winters over the southern U.S., as well as drought in Indonesia, Philippines and Australia.
- The population of China has reached over 1.3_____.
- According to a 2005 estimate, Britain now has a population of over ____million.