用所给词的正确形式完成短文。

(walk   they   take   make   light   candle   bad)

      Our environment is getting 1 ______ than before. Now more and more people realize that we should

do something to help the Earth. Here are the things we can do to help the Earth: We can recycle glass, metal

and paper. We shouldn't throw 2 ______ in the garbage can (垃圾箱)! We can 3 ______ instead of

driving cars! We should try to 4 ______ short showers and turn off all the 5 ______ and the TV

when we leave the room. All of these things will help the Earth.

1.______ 2.______ 3.______ 4.______ 5.______

女性，53岁。左乳腺癌手术后化学治疗中。5d前起咳嗽，痰少，颜色不黄。渐有发热，体温最高38．5℃，伴畏寒。血白细胞计数2．8×10／L，X线胸部摄片示右中下肺野大片模糊阴影，并见不规则透亮区，伴右侧少量胸腔积液。

病原学诊断标本采集宜选择（）

A.超声定位后，诊断性胸腔穿刺抽液

B.痰培养

C.纤维支气管镜采样

D.支气管肺泡灌洗

E.经皮肺穿刺