正常眼压24小时内波动幅度一般不超过：A．3mmHg B．41mmHg C．5mmH

公元前28年，史籍曾记载“三月己未，日出黄，有黑气大如钱，居日中央”。据此回答1—2题。

1、上文中记载所说的“黑气”是指[ ]

A．耀斑

B．黑子

C．太阳风

D．日珥

2、有关太阳活动对地球造成的影响，正确的叙述是

①导致两极地区出现极昼极夜现象②干扰地球电离层，影响无线电长波通信

③影响地球磁场，产生磁暴现象④引发极光现象[ ]

A．①②

B．②③④

C．①③④

D．③④

完形填空II. 根据所学语段，用适当的词填空。请同学们务必看清题目要求，限做指定题目。(共8个小题；每小题1分，满分8分)

(长郡生试题)   Another drug that has helped increase the standard of people’s   41  is penicillin. This bacteria-killing medicine is considered by many to be one of the most   42   medicines in contemporary society. It was discovered by   43  Scottish scientist named Alexander Fleming in 1928. He noted that mould had grown on a special transparent jelly that had bacteria on it. Fleming tried this mould   44  on another bacterium and found that it killed the bacteriun   45  . He named the chemical found in the mould ‘penicillin’ and tried to make it pure to be a medicine.

46    , it was not until World War Ⅱ   47  two other scientists managed to use new chemical techniques to purify it. They were able to produce it in large    48   .

在胰腺癌的CT影像中，出现"双管征"同时增宽、扩张是指（）

A.门静脉和肝动脉

B.肝内胆管和胆总管

C.胆总管和胰导管

D.胰导管和肝内胆管

E.脾静脉和肠系膜上静脉

七情内伤，致病后易引起脾气郁结的因素是（）

A.过喜

B.过怒

C.过思

D.过悲

E.过恐

下面选项中不属于面向对象程序设计特征的是【 】。

A．继承性

B．多态性

C．类比性

D．封装性