因果关系预测方法包括( )。
A．投入产出模型
B．指数平滑法
C．回归分析
D．季节变动预测法
E．经济计量模型
参考答案：A,C,E
（）是从悬浮液中将植物纤维、矿物纤维、动物纤维、化学纤维或这些纤维的混合物沉积到适当的成形设备上，经过干燥制成的平整、均匀的薄页。
A、薄膜
B、纸
C、玻璃
D、铝
A young adult had a significant reaction to the Mantoux test. What conclusion would the nurse make from the findings（）
A. The client has active tuberculosis.
B. The client had active tuberculosis.
C. The client has been exposed to tuberculosis.
D. The client is immunocompromised.
