【简答题】This area is attractive to visitors because of its combination of history, art and natural scenery.
【单选题】I think if is high time we ______ the fact that environmental pollution in this area is getting more serious than before.
【单选题】I think it is high time we ______ the fact that environmental pollution in this area is getting more serious than before.
【单选题】According to this passage, research in this area is characterized as ______.
A.
empirically observable
B.
often impossible to observe directly
C.
poorly defined in the research literature to date
D.
easier to theorize about than to carry out directly
【简答题】Local economy of this area is prosperous because of the low-cost business environment and diverse economic bases.
【单选题】This area is convenient()transport.
【单选题】药物的水溶液滴加氨试液不生成沉淀,而加入氢氧化钠溶液则可出现白色沉淀()
【简答题】This area is attractive because of its tourism and medical devices manufacturing industry.