被称为“地球之肺”的是[ ] A、热带雨林 B、热带草原 C、热带沙漠　 D

Today I’d like to talk about how to become a (1) . Usually you have to start at the beginning. That is, you have to begin (2) of some sort on a local newspaper, a (3) , maybe on a small magazine -- work (4) . Now there aren’t that many organizations which have large numbers of foreign correspondents so you also have to (5) with that aim (6) . Another way of doing it is to work abroad, and work as (7) . That’s somebody who sells stories, and gets paid (8) , to newspapers and magazines and so on. And hoping to (9) that way, and eventually to be offered a (10) .
I don’t really know (11) are needed, but obviously a degree in modern languages or (12) would be very useful. But, a degree in itself probably wouldn’t (13) . It wouldn’t be enough to get you job. It wouldn’t (14) to make an editor decide to (15) . So it’s difficult to define the (16) . You’re going to need (17) and the ability to assimilate information (18) and then produce stories which (19) of the newspaper or radio or television station you (20) .

如下图甲乙，分别演示的是电话的话筒和听筒的工作过程，下面有关这两幅图的说明中正确的是 （   ）

A．甲图表现的是电话的听筒，它是利用电磁感应原理来工作的

B．甲图表现的是电话的话筒，它工作时将电能转化为机械能

C．乙图表现的是电话的听筒，它是利用磁场对电流的作用来工作的

D．乙图表现的是电话的话筒，它工作时将机械能转化为电能

抗中性粒细胞胞浆抗体（pANCA）阳性小血管包括（）

A.韦格纳肉芽肿病

B.显微镜下型多血管炎

C.变应性肉芽肿性血管炎

D.局灶节段纤维素样坏死性肾小球肾炎

E.局灶性节段性肾小球硬化

女性，48岁，发作性剑突下及右上腹绞痛3天，伴有寒战，半年前有类似发作史。查体：体温39℃，脉搏110次/分,血压140/85mmHg,血常规检查:WBC12x109/L，N80%，神志清楚，皮肤，巩膜黄染，右肋缘下触及肿大的胆囊,触痛。　　该病人此时最有效的处理是

A．胆总管切开取石，T形管引流

B．联合应用大剂量抗生素

C．补液，恢复血容量

D．给予糖皮质激素

E．物理降温，支持治疗

XCT双位调节动圈式仪表，不管给定指针如何，均可在全刻度上提供指示值。