正常骨髓造血功能受抑制表现()
A.发热
B.出血
C.失血
D.溶血
E.贫血
参考答案:A, B, E
The beach remains closed as experts wait for the results of water tests after high of e-coli and other bacteria were found.
A.levels
B.numbers
C.amounts
D.accounts
水的比热容较大,生活中,我们常用水来加热或散热,例如:冬天常用热水袋取暖,把质量为2Kg,温度为90℃的热水装入热水袋中,到温度降为30℃的时侯,这些水放出了___________J的热量;如果用相同质量,相同温度的沙来取暖,沙会冷得 (填“快些”或“慢些”).[已知C水=4.2×103J/(kg·℃)].