我国“革命历史档案”是指（）到一九四九年中华人民共和国成立。A.1919年五四运动；

阅读理解。

    Han Mei has a big bedroom(卧室). A table is on the floor. Two chairs are near the table. A computer

is on the table.  Three books and a cup are on the table. A map of China is on the wall.There is a bed on

the floor.  Han Mei's backpack is on the bed. Where are her shoes? Oh, they are under the bed. Some

plants are next to the bed.                       

1. Where's Han Mei's table?  

A. On the bed.          

B. On the wall.

C. On the floor.        

D. Near the window.

2. Where are Han Mei's books?    

A. In the table.          

B. On the table.

C. On the bed.          

D. Under the bed.   '

3. Are her shoes on the bed?  

A. Yes,they are.        

B. I don't know.

C. No, they aren't.    

D. Yes,they aren't.

4. Where are the plants? 

A. Next to the bed.  

B. On the bed.

C. On the table.        

D. Near the desk.

5. Where is the map?  

A. On the wall.            

B. In the wall.

C. On the bed.          

D. Near the table.

张某，女，48岁。腹胀痛、乏力、消瘦近1年。身体评估：轻度贫血貌，胸骨压痛，心肺听诊无异常，腹软，肝肋下2cm触及，脾肿大至平脐。血象：白细胞60×10⁹/L，分类见大量中、晚幼粒细胞及嗜碱性粒细胞，血红蛋白95g/L；血小板400×10⁹/L。

若病人住院期间突感腹部疼痛加剧、面色苍白、大汗，体温38.5℃，血压85/50mmHg。你认为此病人最有可能发生的并发症是（）

A.白细胞淤滞症

B.胃肠道穿孔

C.脾破裂出血

D.肝破裂出血

E.尿酸性肾病

涡轮流量计的（），一般都要比配管小一级到二级。

A、标准直径

B、公称直径

C、设计直径

D、实际直径

镀锌钢管进盒、箱采用套丝，锁母连接，丝长以安装完后外露（）丝为宜。

A.1～2

B.2～3

C.1～3

D.2～4

主动脉弓从右向左发的第一个分支是（）

A.左锁骨下动脉

B.左颈总动脉

C.右锁骨下动脉

D.头臂干

E.右颈总动脉