电磁四通换向阀是控制、改变制冷剂（）的部件。A、流量 B、流向 C、流速 D、状态

下列句子中的标点符号使用正确的一项是  [ ]

A．李白流放途中遇赦后也写过一首“登岳阳楼”：“楼观岳阳尽，川迥洞庭开；雁引愁心去，山衔好月来。” 

B．李白流放途中遇赦后也写过一首《登岳阳楼》：“楼观岳阳尽，川迥洞庭开。雁引愁心去，山衔好月来。”    

C．李白流放途中遇赦后也写过一首“登岳阳楼”，“楼观岳阳尽，川迥洞庭开。雁引愁心去，山衔好月来。”     

D．李白流放途中遇赦后也写过一首《登岳阳楼》，“楼观岳阳尽，川迥洞庭开；雁引愁心去，山衔好月来。”

在当前，中药调剂应采用的重量单位是（ 　　 ）

A．两与钱

B．kg与g

C．磅与两

D．斤

E．均可

B

As far back as he could remember，Larry had longed to go to Hollywood and become a film star．The young man’s hopes for success were broken again and again，however．Hollywood just did not seem interesting．When he first came to California，Larry had decided never to give up and return home without success．Therefore，he kept on trying．Someday，he told himself，his big opportunity would come．

Larry found a job parking cars for one of Hollywood’s big restaurants．His pay was elementary，but since the guests were kind enough to give him more money，he managed to make a living．One day he recognized an important film director driving into the parking lot （停车场） and getting out of his car．Larry had recently heard that the man was ready to make a new picture．

Larry got into the car and prepared to drive it on into the lot and park it．Then he stopped，jumped out，and ran over to the director．“Excuse me，sir，but I think it’s only fair to tell you that it’s now or never if you want me in your next picture．A lot of big companies are after me．”

Instead of pushing away the boy，the director laughed，then wrote something on a card and handed it to the young man．“Come and see me tomorrow．”

Larry got a small part in the director’s next film．He was on his way！

66．Which of the following was Larry interested in?

A．Working as a waiter．       B．Becoming a film star．

C．Parking cars for film stars．   D．Owing a big company．

67．Why did Larry find a job parking cars?

A．Because he liked the job．

B．Because the parking lot was near Hollywood．

C．To make a living and wait for the opportunity．

D．To see a lot of film stars and work for them．

68．After reading the story what can we infer （推断） about the film director ?

A．He wanted to laugh at Larry．

B．He recognized Larry at first sight．

C．He was kind and gave Larry a try．

D．He thought Larry would become a star．

69．what does the word “elementary” mean in this passage?

A．基本的            B．充足的            C．较高的            D．不达标的

70．“He was on his way”refers to the fact that ________．

A．he gave up and returned home

B．he began to work towards success

C．he took a journey to Hollywood

D．he had difficulty in playing the small part

下列关于肺泡表面活性物质错误的描述是（）

A.减少肺间质和肺泡内组织液生成

B.它是一种脂蛋白复合物

C.它由Ⅱ型细胞合成、储存和释放

D.降低肺泡表面张力，降低肺顺应性

E.保持大小肺泡容积相对稳定

与胸部CT后处理技术无关的是

A．摄影常规用双窗技术，即肺窗和纵隔窗
B．纵隔窗：窗宽300～500HU，窗位30～50HU
C．肺窗：窗宽800～1500HU，窗位600～800HU
D．对于外伤患者，应观察和摄影骨窗
E．对肺部的片状影、块状影及结节病灶，可选择最佳的中间窗观察和摄影