妊娠子宫的变化下列哪项错误()。A、妊娠早期增大似球形B、妊娠10周后由盆腔升入腹腔

题型:单项选择题

问题:

妊娠子宫的变化下列哪项错误()。

A、妊娠早期增大似球形

B、妊娠10周后由盆腔升入腹腔

C、妊娠中期开始,子宫峡部伸展变长,至后期形成子宫下段

D、妊娠后期多数子宫略向右旋

E、正常足月妊娠可达高35cm,宽25cm,重1000g左右

考点:妇产科(医学高级)第一节妊娠生理第一节妊娠生理题库
题型:单项选择题

图中三幅小图为某自西向东流的河流上、中、下游三个不同河段处的河床剖面示意图。读图,回答下列问题。

(1)判断三处河床剖面所处的位置:

A位于       游;B位于       游;C位于       游。

(2)该河位于       半球,判断理由是                                       

(3)若在该河干流建一水电站,位置比较合理的坝址应选在A、B、c三处的      处。理由是                                                                      

(4)简述上游森林资源的重要环境功能,分析该地森林过度采伐对河流水文特征的影响及由此产生的环境问题。

题型:单项选择题

第三部分:阅读理解(共20小题;每小题2分,满分40分)

阅读下面短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项,并在答题卡上将该项涂黑。

We used to go into different chat rooms on different websites . If you wanted to meet someone on the net , you had to go into the same chat room . But now regular net surfers chat on OICQ .

OICQ is an online chat software which is invented by Tencent Computer System Company of Shenzhen in February , 1999 . Since then it has swept the country . Its symbol is a penguin wearing a red scarf .

Net friends can be divided into a buddy list (for good friends ) , a stranger list ( for people you want to avoid on the Net ) . You can also build family lists , co-worker lists , etc .

You can know whether listed friends are online as long as you use it . The cartoon portrait(肖像,画像) of the person turns bright if he is online . And the portrait turns dim(灰暗的) if he is not there .

Traditional public chat rooms are chaotic . It is difficult to focus on a conversation . OICQ can conduct a focused talk without interruptions by other chatters . OICQ has become a regular daily communication tool . “What is your OICQ number ? ” has become a modern topic .

1. OICQ is________.

A. a special chat room for all the cyber citizens(网民)

B. a cartoon portrait to make friends on the Internet

C. an online chat software that helps you talk on the Internet more freely

D. a modern phone number used by more and more people

2. If you don’t want to chat with someone , you can put him in_______with the help of OICQ .

A. a buddy list                   B. a stranger list      

C. family lists                    D. co-worker lists

3. The passage mainly tells us____________.

A. how to chat with people on the Internet

B. how to use OICQ

C. how to choose a regular daily communication tool

D. some advantages about OICQ

题型:单项选择题

男性30岁,右颌下区胀痛两周,进食痛加剧,继而可减轻。

体检中最可能发现的是

A.开口困难

B.颌下区波动

C.颌舌沟隆起、舌抬起

D.颌下腺导管口唾液分泌增多

E.扪及颌下腺导管结石

题型:单项选择题

患者,男,32岁。发热咳嗽2周。X线胸片右侧胸腔积液,为渗出液,外周血和胸腔积液中嗜酸性粒细胞增多。喜食生虾蟹。胸腔积液最可能是以下哪种情况()

A.结核性

B.癌性

C.肺吸虫感染

D.真菌性

E.肾病综合征引起

题型:单项选择题

在液—液萃取中,如何选择萃取剂?

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