根据括号内的汉语意思或首字母，写出单词的正确形式。

（1） We are organizing an art ___________ (展览) for high school students in the city.

（2） We investigate lakes and rivers where the ___________ (生物) live.

（3） Welcome to the Electronic Village to ____________ (探讨) new ways of designing green cars.

（4） The results suggest that on average female students __________ (表现) better than male students in English learning.

（5） I was keen on___________ (挑战) him to a game of chess.

（6） I’m working on a project r___________ to garbage collection.

（7） The audience were d___________ that the costumes were ugly and the dance performance was poor.

（8） To raise students’ interest in English, I plan to organize an English debate c___________.

（9） F___________ in 1800, the university is home to a great number of brilliant athletes.

（10）O___________, the climate change has affected the global economy.