国家对用水实行什么制度？

阅读理解

       Yukio comes from Japan. He is now in China. He is twelve years old. He has yellow skin(皮肤),

black hair and black eyes. Li Lei is Yukio's friend. He comes from China. He is thirteen. He has yellow

skin, black hair and black eyes, too. Jim is Yukio's friend, too. He is from Canada. He is twelve. He has

blond hair and blue eyes. They are good friends.

根据短文内容，判断正(T)误(F)。

( ) 1. Yukio and Li Lei are from the same country.

( ) 2. Li Lei has yellow skin and black hair, but Yukio doesn't.

( ) 3. Jim has blue eyes.

( ) 4. Yukio, Li Lei and Jim have the same look.

(     ) 5. They are good friends.

与B细胞淋巴瘤和鼻咽癌有关（）

A.EB病毒

B.人 * * 瘤病毒

C.人嗜FT淋巴细胞病毒

D.甲胎蛋白

E.癌胚抗原

常用局麻药的一次限量下哪些是正确的（）。

A.普鲁卡因1000mg

B.丁卡因表面麻醉40mg

C.利多卡因神经阻滞400mg

D.布比卡因神经阻滞150mg

E.以上都不对

I really don’t know ___________.

A．how they’ve got so angry with me.

B．why have they got so angry with me.

C．how have they got so angry with me.

D．why they’ve got so angry with me.

患者男，78岁，因左下肺癌在支气管内全麻下行左下肺叶切除，有十多年慢性支气管炎、肺气肿病史。咳嗽，痰量较多，术前测肺功能提示中重度通气功能障碍。高血压病史15年，不规则服用抗高血压药物，术前血压控制不够理想。冠心病心绞痛史2年。患者要求术后手术切口无痛或尽可能不痛，并能及早苏醒见到家人。

提示：术中行右单肺通气，SpO₂保持在97％以上，50分钟后气道阻力逐渐增大，患者SpO₂下降，不能维持在93％以上：听诊健肺呼吸音清晰。提问：下列措施哪些应优先予以考虑？（）

A.纤维支气管镜检查双腔管的位置

B.使用氨茶碱

C.健侧肺行PEEP

D.健肺CPAP与患肺PEEP结合

E.患肺持续吹氧

F.间断双肺通气

G.由于左右分隔，因此术中基本不用考虑分泌物吸引