实地调查法
参考答案:
解析:实地调查法是行情研究人员通过实地调查、观察、访问等途径获取有关资料。
From the space, the astronaut can see more than 70 percent of the earth _____ by water. [ ]
A. are covered
B. is covered
C. covering
D. cover
儒家思想的典型代表人物有()
A.孔子
B.孟子
C.老子
D.庄子
E.荀子