消防联动控制装置的直流操作电压宜采用( )V。
A.50
B.48
C.36
D.24
参考答案:D
—______ you like thrillers?
—Yes, I like ______ very much. [ ]
A. Are; them
B. Do; it
C. Do; them
D. Are; it
结石阻塞输尿管引起尿量减少的机制是()
A.肾小球毛细血管血压降低
B.囊内压升高
C.血浆胶体渗透压降低
D.血浆晶体渗透压降低
E.肾小管内溶质浓度增加