有助于确诊急性白血病的体征是
A.肝、脾大B.四肢关节痛C.胸骨疼痛D.皮肤瘀斑E.皮肤黏膜出血
参考答案:C
解析:胸骨疼痛是急性白血病的特征性症状。
选择合适的介词填空。
1. It's ________ two o'clock.
2. Let's look ________ the window. A little dog is in it.
3. Please stand ________ Jenny.
4. A snack is a little food _________ eat.
5. I'm playing ________ the baby.
6. Please smile _________ the right answer.
( )阶段是团队从组建到规范阶段的过渡阶段。
A.磨合
B.休整
C.表现
D.形成