化学残积物
参考答案：
由化学风化作用残留在原地的产物叫化学残积物。
—Did you go to the cinema to see 3D Titannic last night?
—No, I ________ go to the cinema . The tickets are too expensive[ ]
A. hardly
B. nearly
C. still
D. only
骨肉瘤时明显升高的指标是（）
A.AFP
B.ALP
C.ALT
D.AST
E.GGT
