从方框中选择适当的短语,并用其正确形式填空。
in the future all over the world keep on English corner more and more
—_____ He didn't even spend a single hour preparing for it.
请回答下列问题:
乌鲁木齐的北面是 ( )
研究“酸雨对生物的影响”时,所采取的科学方法是( )