2周岁小儿的平均身长为() A.5Ocm B.6Ocm C.75cm D.85cm

题型:单项选择题

问题:

2周岁小儿的平均身长为()

A.5Ocm

B.6Ocm

C.75cm

D.85cm

E.90cm

考点:儿内科(医学高级)儿内科综合练习儿内科综合练习题库
题型:单项选择题

填空我能行。

(1)“们”的第3画是(   ),读音是(   )。

(2)“花”的第4画是(   ),组词(   )。

(3)“绿”的部首是(   ),第8画是(   ),共(   )画。

(4)“趣”的部首是(   ),第9画是(   ),共(   )画。

题型:单项选择题

Wang Yang gets up late. He rides his bike to school quickly(飞快地). He doesn’t look at the traffic lights, so he hits(撞) a car. The driver takes him to hospital. The doctor is very careful to look over Wang Yang. Wang Yang wants to go to school.

“Tomorrow is Thursday. We’ll have a basketball game tomorrow,” he says. But the doctor asks him to stay in bed for two days.

“Now my boy,” says the doctor. “Can you tell me your name, please?”

“What are you going to do?” asks Wang Yang.

“I’m going to tell your parents and your teacher,” answers the doctor.

“But my parents know my name and my teacher knows my name, too,” says Wang Yang.

小题1:What day is it today?

A.Tuesday.

B.Wednesday.

C.Thursday.

D.Friday.小题2:Who takes Wang Yang to the hospital?

A.The doctor.

B.The driver.

C.The police.

D.His parents.小题3:The underlined phrase(画线短语) “look over” means ______ in Chinese.

A.浏览

B.安慰

C.督查

D.检查小题4:Why does Wang Yang want to go to school? 

A.Because he wants to have the music lesson.

B.Because they will have a basketball game tomorrow.

C.Because his parents ask him to go to school.

D.Because he doesn’t get hurt at all.小题5:Why does Wang Yang say “But my parents know my name and my teacher knows my name, too.”?

A.Because his parents and his teacher know his name.

B.Because he doesn’t want his parents and his teacher to know it.

C.Because he forgets(忘记) his name.

D.Because he doesn’t like the doctor.

题型:单项选择题

动物昏迷时不会出现()。

A.意识完全丧失

B.对外界刺激有明显反应

C.全身肌肉松弛

D.反射消失

E.粪尿失禁

题型:单项选择题

水是生命之源,也是化学反应中的主角。请回答下列问题:

Ⅰ、氢气燃烧生成液态水热化学方程式是2H2(g)+O2(g)=2H2O(l)  ΔH=-572kJ/mol。

(1)生成物能量总和(填“大于”、“小于”或“等于”)反应物能量总和。

(2)若2 mol氢气完全燃烧生成水蒸气,则放出的热量  572 kJ(填“>”、“<”或“=”)。

(3)氢气热值为        

Ⅱ、氢气和氧气反应生成水,将化学能转化为电能,其构造如图所示:a、b两个电极均由多孔的碳块组成。

(1)a电极反应式是                            

(2)b电极反应式是                           

Ⅲ、如图表示一个电解池。X、Y都是惰性电极,电解液a是饱和食盐水,同时在两边各滴入几滴酚酞试液。

(1)X极上的电极反应式为                        

在X极附近观察到的现象是                        

(2)Y极上的电极反应式为                       

检验该电极反应产物的方法是                      

题型:单项选择题

所有的错误决策都不可能不付出代价,但有的错误决策可能不造成严重后果。
如果上述断定为真,则以下哪项一定为真

A.有的正确决策也可能付出代价,但所有的正确决策都不可能造成严重后果
B.有的错误决策必然要付出代价。但所有的错误决策都不一定造成严重后果
C.有的错误决策必然要付出代价,但所有的错误决策都可能不造成严重后果
D.所有的错误决策都必然要付出代价,但有的错误决策不一定造成严重后果

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