When I came back home, I found my mother _________ apainting in her living room.
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The man noticed the little boy next to him ______.
A. gone
B. went
急腹症的患者腹腔内穿刺液为带臭味的血性液,最可能为
A. 肠套叠
B. 绞窄性肠梗阻
C. 急性胰腺炎
D. 胃、十二指肠溃疡穿孔
E. 胆囊穿孔
对所有信息都应该进行分析判断、甄别与评价。()
A. 对
B. 错
红外光谱仪和紫外-可见分光光度计组成结构相似,但部件材料功能有差别。
A. 对
B. 错