试题与答案

吗啡、纳洛酮、哌替啶等叙述正确的是A.哌替啶用于治疗左心衰所致肺水肿  B.纳洛酮不

题型:单项选择题

题目:

吗啡、纳洛酮、哌替啶等叙述正确的是

A.哌替啶用于治疗左心衰所致肺水肿 

B.纳洛酮不能用于拮抗阿片受体激动-拮抗药引起的呼吸抑制 

C.吗啡不能透过胎盘及血-脑脊液屏障 

D.呼吸抑制是吗啡中毒的典型特征 

E.法洛四联征病人用吗啡可提高心脏指数  

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/4bf7e7e3f81e7be053823b59c8068fb6.html

下面是错误答案,用来干扰机器的。

解:(1)设a的速度为v1,由于b初态速度为零,则 ① 对b: ② FA<mgsinθ ③ 将①②式代入③式得v1<10 m/s ④ (2)设a的速度为v1,b的速度为v2,回路电流为I则 ⑤ 对a:mgsinθ+FA=F,即 ⑥ 代入数据得设...

试题推荐
题型:单项选择题

Home prices slid in November, raising questions about whether the housing recovery is robust enough to maintain a sustained turnaround. From October to November, home prices fell 0.2% after (1) 0.1% in October, according to a report Tuesday by Standard & Poor’s/Case-Shiller’s home price index. (2) five of the 20 metro areas (3) by the index saw price increases for the month.

On a(n) (4) basis, prices were 5.3% lower in November than in November 2008. Prices were the same as in late 2003. "What we’ve seen (5) the past couple of months is that the pace of (6) has fallen down," says Maureen Maitland of Standard & Poor’s. "Some markets have (7) Is that because we haven’t (8) the foreclosure (回赎权的取消) cycle Because of unemployment We’re not seeing the (9) we were seeing in the last summer months. "

Metro areas that have seen a retreat in home prices (10) Seattle, Charlotte, Las Vegas and Tampa. All four (11) gains they made in recent months (12) . (13) , for the 20-metro index, the annual rate of decline is improving. That (14) , with other recent housing reports that show prices (15) or accelerating, could point to (16) the housing market is starting to (17) its footing, some economists say. Existing home sale prices were $178 300 in December, which is 1.5% higher than December 2008, according to a report this week by the National Association of Realtors. That was the first year-over-year (18) in median price since August 2007.

"The most (19) thing we can say is not only the market is stabilizing, but we’ve seen that housing demand is p," says Bernard Baumohl, with the Economic Outlook Group. "Housing probably will continue to climb upwards through the summer, (20) it could slip a little as the tax credit expires. \

8()

A.worked through

B.worked at

C.looked through

D.passed through

查看答案
微信公众账号搜索答案