【单选题】—How shall I deal with these old books? —You can give them to ______ you think likes them.
【简答题】简述信用证方式在国际贸易结算中的性质和作用。
【单选题】--- Which of the two English dictionaries will you buy ? --- I’ll buy ___ of them , so I can give one to my friend , Helen .
【单选题】人口潜力指数是指目前人口状况下各地区能够继续容纳人口的潜力大小。读美国人口潜力指数分布示意图,回答12~13题。12.图中四地人口潜力最大和最小的分别是( )