问题 单项选择题 A1/A2型题

尘肺X线诊断标准中符号为"q"的小阴影是指()。

A.直径在1.5mm以下的类圆形小阴影

B.直径在1.5~3mm的类圆形小阴影

C.直径在3~10mm的类圆形小阴影

D.宽度在1.5mm以下的不规则形小阴影

E.宽度在1.5~3mm的不规则形小阴影

答案

参考答案:B

解析:p是指最大直径不超过1.5mm圆形小阴影;q是指直径大于或等于1.5mm,但不超过3mm的类圆形小阴影;r是指直径大于或等于3mm,但不超过10mm的圆形小阴影。

填空题

综合填空: 根据句意与所给的首字母补全单词。

     Antarctica (南极洲) is the continent which is the most southern area of land on the Earth and is mostly

(1)c___________ with ice. This is one of the driest and coldest places in the world. But people from all over

the world come to (2)w___________ there. Near the South Pole (南极), three thousand people live together in

a place (3)c____________ Amundsen-Scott Station.

     The station has libraries, cinemas, shops, sports rooms and laboratories. There is electricity, and they have

telephones-the system (系统) that they use to have a conversation (4)w____________ someone in other place.

And they have (5)c____________-electronic or machines that stores information and uses programs to help

them find, organize or change the information.

     But the people here don't (6)t____________ by car, or train, or bus, because there aren't any roads or

railways near the station. They travel by ship, plane, or snow tractor, or with dogs.

     There aren't any trees or flowers there, but there are (7)h___________ of different birds and other animals. 

     Most of the people here are scientists They study plant and animal (8)l___________ and how ice moves.

The ice can tell us about changes in climate. Ray Kingman is an expert at Amundsen-Scott Station,

(9)t__________ us on the phone, "This is my second year here. It's a very interesting and beautiful place, but

life is very hard in the winter. In the summer we can go swimming in hot pools of water. We welcome

newcomers here for further (10)s___________of the continent!"

单项选择题