城镇供热系统安全技术规程规定,热用户提出报修后,于()内处理完毕的均为及时。
A、24h
B、36h
C、48h
D、72h
参考答案:A
用括号内所给词的适当形式填空
1. My brother __________(have) a basketball.
2. Let's watch __________(they) on TV.
3. She __________(play) sports every day.
4. __________(do) your sister have a computer?
5. We have many sports __________(club) in our school.
ACEI用于预防肾小球疾病患者发生肾硬化的原理中不准确的是()
A.抑制NF-κB,降低系膜炎症
B.延缓激肽分解增加纤溶酶原
C.促进细胞基质分解
D.扩张小血管,降低蛋白尿
E.纠正T细胞的免疫失衡