参与按揭楼盘准入调查人员可通过核实相关资料、查询行内外相关系统等多种方式进行调查，资料充足的情况下可不再进行实地调查。
参考答案：错
— How do you find air conditioners made by Haier Group Corporation?
— Of high quality. We ______ their products all these years. [ ]
A. sell
B. have sold
C. have been sold
D. have been selling
细胞外液占成人体重的（）
A.20%
B.25%
C.30%
D.35%
E.40%
