分析某国在某一时期(一年、一季或一个月)的国际收支平衡表,属于()。
A.静态分析
B.动态分析
C.比较分析
D.上述说法都不对
参考答案:A
--- Where is Jack?
--- He _________ football on the playground with those AFS students, but I am not sure.
A.must be playing
B.must have played
C.may be playing
D.may have played
在企业建站的标准版本套餐中,网站空间有(),模板数目有()。
A、500M
B、600M
C、100个
D、200个