下列哪种情况不是凝血功能障碍时的典型表现（）
A.关节出血
B.肌肉出血
C.轻度损伤后出血不止
D.凝血时间延长
E.束臂试验阳性
参考答案：E
用所给单词的适当形式填空。
1. At last, he and his friends finished the work _____ (success).
2. That is a _____ (use) book.
3. I saw Dick _____ (do) his homework just now.
4. It is dark now. We have to _____ (stop) the work.
5. Mr. Brown is learning English for _____ (busy).
6. It is important _____ (plant) more trees.
7. Please teach us how _____ (bake) cookies.
下列化学仪器或实验正确的是（）。
A.
B.
C.
D.
