29
(A) and
(B) but
(C) or
(D) while

while- 表達同時進行的兩個動作, 但是其間卻不一定有條件/因果關係

while

發展迅速同時改善環境 while我都只會用 當.....難怪翻不出來

China needs to grow fast 29 improving the poor conditions of its environment, especially its air and water. China, for one, has a drinking problem. A group of experts discussed the problem at a meeting recently held in Beijing, and most 30 that China’s water crisis looks very terrible. 31 an official report, China is one of 13 countries with serious water shortages. While China has 20% of the world’s population, it 32 holds 6% of the world’s water resources. But the problem is also worsen by its rapid and short-sighted development

29.(D)To reach that ...

China needs to grow fast while同時 improving the poor conditions of its environment, especially its air and water.
中國需要快速增長，同時改善惡劣的環境條件，尤其是空氣和水。