1. A study by the World Health Organization (WHO) in 2003 also showed the outbreak of SARS in Chinas 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