常温下某溶液,水电离出的c(OH-)=1.0×10-4mol/L,该溶液中溶质可

题型:选择题

问题:

常温下某溶液,水电离出的c (OH-)=1.0×10-4 mol/L,该溶液中溶质可能是(  )

①Al2(SO43  ②NaOH  ③NH4Cl  ④NaHSO4

A.①②

B.①③

C.②③

D.①④

考点:水电离的影响因素水的电离平衡盐类水解判断溶液酸碱性或比较溶液pH值的大小
题型:选择题

阅读理解

     I'm John. This is my brother Jack. This is our room. This is my backpack. It's on the bed. That'shis

back pack. It's on the chair. His computer gameis on it. Where's my computer game? Is it on the chair,

too? No, it isn't. It's under it! Our computer is on thedesk. An alarm clock is next to it. Our booksaren't

on the desk. They're in the bookcase. It'snext to the bed.

根据短文内容 ,判断下列句子的正 (T)误 (F)

( )1. This is an alarm clock. It's on the bookcase.

(     )2. John's backpack and his computer game are on the chair.

( )3. John's books are next to the computer on the desk.

( )4. The bookcase is under the bed.

( )5. The books are in the bookcase.

题型:选择题

φ3600×4500要求充填率为()%。

A.20-30

B.30-40

C.38-42

D.25

题型:选择题

患者,男,25岁,前胸部暗红色丘疹,数年内逐渐扩大连接为片状斑块,暗红色,质地坚韧,表面光滑无毛,病程慢性,偶有痛痒感。

本病与肥厚性瘢痕的主要鉴别要点为()

A.皮损是否柔软

B.皮损范围是否超过原有损害范围

C.皮损表面是否有毛发生长

D.是否有自觉症状

E.皮损表面是否光滑

题型:选择题

注意力缺陷多动症的护理诊断

A.思维过程异常
B.进食自理缺陷
C.脑水肿
D.急性循环充血
E.呼吸形态改变

题型:选择题

患者,男性,75岁,因突然晕倒急诊医院,诊断为脑血管意外。家属告知,患者高血压10年,自服药物控制高血压。

能够判断患者意识状态的指标是

A.角膜反射
B.生命体征
C.肌腱反射
D.疼痛刺激反应
E.瞳孔对光反射

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