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【简答题】
生活离不开化学，正确认识化学使你的生活更美好． ①人类赖以生存的空气中含量最多的气体是______． ②酸雨是指pH小于5.6的雨水．造成酸雨的主要气体是______． ③医疗上0.9%生理盐水给病人补充体液．生理盐水中溶质是______． ④吸烟有害健康，烟草燃烧产生一种能与血液里血红蛋白结合的有毒气体是______．
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皮皮学刷刷变学霸
举一反三
【判断题】Key words or phrases can help you understand the context of a conversation.
A.
正确
B.
错误
【简答题】在生产实践中,影响微生物降解农药的因素有哪些?
【单选题】()What information in context can NOT help you understand the word “interdisciplinary” ?
A.
When he was teaching astronomy, Mr. Grable didn't just teach students the names of the planets. He used it as a way to teach mythology.
B.
Mr. Grable introduced Greek and Roman mythology as a way of explaining.
C.
In an astronomy class, the students also learned about the literature of Greek and Roman mythology.
D.
Mr. Grable asked his students to do a research, write a report and make a presentation about the planet they chose.
【单选题】病人23岁,心悸5天,心率98次/分,心电图示P-R间期为0.21秒,应诊断为:
A.
窦性心律
B.
窦性心动过速
C.
Ⅰ度房室传导阻滞
D.
Ⅱ度Ⅰ型房室传导阻滞
E.
Ⅱ度Ⅱ型房室传导阻滞
【多选题】Using context clues in reading can help us
A.
save time
B.
remain focus
C.
improve writing
D.
increase vocabulary
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