1. A study by the World Health Organization in 2003 also showed the outbreak of SARS in China's Hong Kong coincided with a drop in temperature.
　　A. decrease
　　B. improvement
　　C.limit
　　D.fall
　　2. This newer method facilitates the rapid sharing of information with experienced officials.
　　A. part
　　B. memory
　　C.way
　　D.icon
　　3. This is only preliminary conclusion which needs to be further testified.
　　A. improved
　　B. proved
　　C.tested
　　D.tasted
　　4. Climate issues have become increasingly relevant to safety and sustainable development worldwide.
　　A. theme
　　B. relate
　　C.realization
　　D.level
　　5. The Commission has also begun looking into the role of climate.
　　A. roll
　　B. road
　　C.part
　　D.character
　　6. Years ago this politician did a clever, but immoral thing, which laid the foundation of his fortune.
　　A. unethical
　　B. unexpurgated
　　C.unimpeachable
　　D.improper
　　7. It is always praiseworthy to admit one's errors and rectify them without delay.
　　A. straighten
　　B. correct
　　C.justify
　　D.identify
　　8. This special task calls for common sense, imagination, intelligence and tact.
　　A. prudence
　　B. bravery
　　C.diplomacy
　　D.coolness
　　9. Do I understand that it is not compulsory for us to attend? Mr. Johnson asked.
　　A. advisable
　　B. obligatory
　　C.indiscreet
　　D.necessary
　　10. Hundreds of years ago cloves were used to remedy headaches.
　　A. disrupt
　　B. diagnose
　　C.evaporate
　　D.cure
　　11. There is been a boom in economy in recent years.
　　A. fall
　　B. mistake
　　C.growth
　　D.flaw
　　12. I wanted to comfort the patient, but I unwittingly hurt her.
　　A. intentionally
　　B. comfortably
　　C.unintentionally