采用热压灭菌法，灭菌效果最好的是用（） A.湿饱和蒸汽 B.水蒸气 C.饱和蒸汽 D

Reading is an activity that people enjoy a lot in their free time.

Some like reading newspapers and o________小题1: enjoy novels or comic(喜剧的) books. My favourite books are t________小题2:about the lives of great people. Reading them always gives me a lot of ideas on how to make my own life b_________小题3:.

Great people are r__________小题4: not because they were handsome or beautiful, but because they did not give up w__________小题5: their lives were difficult. They tried to use every chance to change their lives and make the world better.

One good e__________小题6:is Orville and Wilbur Wright, the two brothers invented the airplane. The plane has made the world into a small v__________小题7:. Hard work, not good luck, is the r________小题8: why the Wright Brothers could invent this convenient machine and become great people. Today we will remember them when we see planes fly in the sky.

W__________小题9: I read something about great people, I always learn a lot from them and they e__________小题10: me to march on. This is why I enjoy reading about great people’s l________小题11:.

“低碳经济、低碳生活”已成为社会发展和家庭生活的主流。下列做法符合“低碳”理念的是

A．卫生纸代替手帕

B．鼓励使用塑料袋

C．利用太阳能发电

D．提倡使用私家车

硝苯地平治疗心绞痛作用原理是（）。

A．减慢心率、降低心肌收缩力、减少心肌耗氧量

B．通过抑制钙离子进入冠状、周围血管壁平滑肌细胞内而扩张冠脉及周围血管

C．抑制血小板聚集

D．改善心肌营养与代谢

E．扩张冠脉及外周血管，减轻心脏负担

足月儿，出生时羊水粪染，全身皮肤青紫，心率90次/分，弹足底皱眉.四肢略屈曲，无呼吸。

此时处理中最重要的是（）

A.给氧

B.保暖

C.吸净呼吸道黏液，保持呼吸道通畅

D.药物治疗

E.碳酸氢钠纠正酸中毒

爆破地点附近（）内风流中瓦斯浓度达到1.5%时，严禁爆破。

A、15 m

B、20m

C、25m