骨髓象的辐射损伤与射线剂量无关。（）
参考答案：错
The film star is going to spend _________ dollars on a new hat for the party. [ ]
A. three thousands
B. three thousand
C. thousands of
D. three thousands of
龙生蛭胶囊中水蛭的作用（）
A.补气固表
B.破血逐瘀
C.益气健脾
D.行气止痛
