10个月男孩。至今以母乳喂养为主,辅食添加少,近日出现面色苍白,易感冒、腹泻。体检:

题型:单项选择题 A3型题

问题:

10个月男孩。至今以母乳喂养为主,辅食添加少,近日出现面色苍白,易感冒、腹泻。体检:发育尚可,皮肤、黏膜苍白,心肺正常,肝肋下3cm,脾肋下1cm。血常规:Hb78g/L,RBC3.2×1012/L,WBC、PLT及网织红细胞均正常。血涂片:红细胞大小不等,以小细胞为主,中央淡染区扩大。

最有助于确立该诊断的检查是()

A.血清铁测定

B.骨髓铁染色

C.红细胞游离原卟啉检测

D.血清铁蛋白

E.血清总铁结合力

考点:儿科住院医师儿科住院医师综合练习儿科住院医师综合练习题库
题型:单项选择题 A3型题

患者,男性,30岁,右面部肿胀伴开口受限1周,既往有右下后牙反复肿痛史。X线表现为右下颌第三磨牙阻生,下颌升支弥散性密度增高,其中可见局限性骨质破坏,升支外侧密质骨无明显破坏,但密质骨外有成堆的骨质增生。应诊断为()

A.牙源性中央性颌骨骨髓炎

B.牙源性边缘性颌骨骨髓炎

C.骨纤维异常增殖症

D.成骨肉瘤

E.颌骨结核

题型:单项选择题 A3型题

氟化物防龋作用机制是()

A.降低釉质表层的溶解度

B.改变口腔生态环境,不利于细菌生长

C.抑制糖蛋白在釉质表面的黏附

D.促进釉质再矿化

E.以上均正确

题型:单项选择题 A3型题

在各种海洋污染中,对海洋生物危害最大的是[ ]

A、石油污染物

B、工业废水

C、固体垃圾

D、农药化肥

题型:单项选择题 A3型题

Kate said “Hello” to Mr Patel as she entered. She picked up a wire basket and walked towards the back of the store 1_____ the rice was kept. The room was quite large and divided by three long aisles(过道), with rows of shelves full of 2­_____. Besides her and Patel there were only two boys in the store. They were both wearing 3_____ overcoats. They looked rather 4_____ because the overcoats were too big for them. “5_____”, she heard one of them whisper to 6_____. She walked on to the next aisle and found the 7_____ she was looking for. Then she heard something else. It 8_____ like a box dropping on the floor. She looked through the small open space 9_____ goods on the shelf and saw one of the boys picking up a box. But 10_____ putting it in the basket, he dropped 11_____into the inside pocket of his overcoat. Kate looked back and 12_____ see Mr Patel at the door checking through a list. Then she looked through the 13______ in the shelf again. The boys still had their backs to her. They were putting something 14_____into their inside pockets and then one of them said, “Let’s get out of here.” They moved away from her.

When she got to the door the two boys were 15_____ her. She watched them 16_____ for the few lings in their 17_____. They had both 18_____ their overcoats. Mr Patel did not seem to know what they had done. He even 19_____ at them as they were about to 20_____. Now Kate decided to stop them.

小题1:1.

A.which

B.that

C.there

D.where小题2:2.

A.books

B.baskets

C.goods

D.magazines小题3:3.

A.dirty

B.long

C.grey

D.tight小题4:4.

A.strange

B.young

C.nervous

D.excited小题5:5.

A.Look up

B.Listen to me

C.Watch out

D.Put it down小题6:6.

A.him

B.her

C.the boy

D.the other小题7:7.

A.book

B.rice

C.bag

D.magazine小题8:8.

A.looked

B.heard

C.showed

D.sounded小题9:9.

A.between

B.of

C.around

D.at小题10:10.

A.instead of

B.before

C.without

D.as if小题11:11.

A.something

B.it

C.one

D.that小题12:12.

A.would

B.should

C.might

D.could小题13:13.

A.spot

B.space

C.goods

D.books小题14:14.

A.important

B.new

C.else

D.extra小题15:15.

A.looking at

B.talking to

C.in front of

D.behind小题16:16.

A.paying

B.looking

C.asking

D.reaching小题17:17.

A.hands

B.pockets

C.box

D.basket小题18:18.

A.thrown out

B.put on

C.buttoned

D.hidden小题19:19.

A.shouted

B.smiled

C.looked

D.laughed小题20:20.

A.leave

B.pay

C.speak

D.apologize

题型:单项选择题 A3型题

某列车编组48辆总重2800吨停于7.3‰的坡度上,列车就地制动所拧紧手制动机数为()。(B、5、X)[05-00-03-01][020101]

A.12个

B.13个

C.14个

D.15个

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