简述稀释浓硫酸的操作？

关于肝性脑病的氨代谢，下述不正确的是（）。

A.大多数门腔分流术患者血氨及脑脊液中氨含量都增高

B.暴发性肝功能衰竭时血氨往往明显增高

C.动脉血和脑脊液中氨含量明显相关

D.便秘时会引起血氨增高

E.结肠呈碱性环境时产氨增多

某产品肯有5个功能领域F1、F2、F3、F4、F5，其一对一强制评分后的修正得分，各功能的现实成本如下表所示。

 注：计算过程中保留三位小数。 根据题意，回答案下列问题：

F2的功能评价系数是（）。

A．0.228

B．0.267

C．0.287

D．0.305

患者男性，69岁，既往有高血压病史30年，平素血压控制不详。患者午睡后出现左侧肢体瘫痪2小时就诊。查体：血压200／120mmHg，嗜睡，左侧同向性偏盲，左侧瞳孔：右侧瞳孔=1．5mm：2．0mm，光反射存在，左侧眼裂变小，双眼球向右侧凝视，左侧鼻唇沟变浅，伸舌左偏，左侧肢体肌力0级，肌张力低，左侧肢体痛觉减退，左下肢巴氏征阳性。

目前对此患者以下哪项说法不妥（）

A.患者血压较高，应首先将血压降到正常稍高水平

B.进行心电监护

C.为了预防呼吸道感染可应用抗生素

D.20％甘露醇

E.可考虑应用尿激酶溶栓治疗

F.皮下注射小剂量胰岛素以预防应激性血糖增高

Turkey’s Bodrum peninsula is different. The tourist boom in this part of the world (1) turned some small villages into resorts yet left neighbouring beaches undisturbed, making it quite (2) southern France or the Spanish Coasts where few stretches of coastline are undevelopeD．
The (3) for this happy set of circumstances is simple. For thousands of years, travel here (4) easier by boat than by lanD．So when mass tourism arrived in the (5) 1980s, there was no coast road for ribbon development to follow. So the peninsula, just (6) hour from Bodrum airport, has not become one long littoral of resort.
The building (7) new hotels has mainly been confined to places easily reached by then relatively (8) roads. Such ease of access has made Gumbet, near Bodrum, a busy resort, while the little fishing village of Gumusluk, 12 miles further west and only recently reachable by (9) , remains tranquil and undisturbeD．
It’s worth thinking carefully about location when planning a family (10) on the peninsulA．Choose a place that is centrally located, preferably out of earshot (11) Bodrum town’s "lively"—which means nosy—nightlife, and you can then use (12) area’s comfortably small scale to your advantage. Today’s new roads mean most places can (13) reached in under an hour by taxi or the ubiquitous dolmus-minibus.
The (14) of facilities at the Tamarisk Beach Hotel near the small village of Ortakent makes (15) a good base. The family-run hotel—rooms and suites are in two-storey buildings (16) by palm trees and flowers in terracotta pots—sits above its own sandy (17) beach, shaded by tamarisk trees and sheltered by nearby islands.
The hotel is (18) child-friendly, too. Children, from infants up to young teenagers, can take part in a (19) of games and activities that include tuition in windsurfing, dinghy (20) catamaran sailing.