【判断题】
钢瓶胶囊中只能预充空气，绝对不能充氧气。
A. 对
B. 错
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答案
B
解析
暂无解析
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对于顶丝法兰盘悬挂器的井口，当发生溢流时，停止作业，将带有提升短节的简易防喷装置自上而下的组成为___迅速连接在井口油管上，坐人大四通内，上紧顶丝。
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B. 提升短节+旋塞阀+油管头异径接头+分瓣捞矛
C. 提升短节+油管悬挂器+转换接头
D. 提升短节+旋塞阀+分瓣捞
【单选题】
___与最上一层套管头连接，主要用来悬挂油管、安装采油树，同时和油管挂一起形成密封，防止油管内外串通，形成油管内外通道。（KQ78/65-70带安全阀采气树）
A. 钻井四通
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习近平深刻地把握历史的经验教训，指出，如果没有______，我们的国家、我们的民族不可能取得今天这样的成就。 ___
A. 艰苦奋斗
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各级党组织和广大党员要保持锐意进取的精神风貌，进一步______，做到登高望远、居安思危，勇于变革、勇于创新、永不僵化、永不停滞。 ___
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马克思主义政党学说的基本原则是___。 ___
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According to one study, what do green spaces do to people? ___
A. Improve their work efficiently.
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C. Help them build a positive attitude towards life.
D. Lessen their concerns about material well-being.
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What does Dr. White say people usually do to make themselves happier? ___
A. Earn more money.
B. Settle in an urban area.
C. Gain fame and popularity.
D. Live in a green environment.
【单选题】
What does Dr. White try to find out about living in a greener urban area? ___
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C. How long its positive effect lasts.
D. How it benefits people physically.
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What did Dr. White’s research reveal about people living in a green environment? ___
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According to Dr. White, what should the government do to build more green spaces in cities? ___
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The survey by the Kaiser Family Foundation is mentioned to illustrate the idea that . ___
A. kids don’t always follow parents’ rules
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What did the kids do when parents set any time or content limits, according to the Kaiser Family Foundation? ___
A. They cut down on their screen time.
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What will Kenneth Ginsburg most probably suggest that parents should do? ___
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Margaret Broe -Fitzpatrick finds it impossible. ___
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D. for the kids to observe rules without protest
【单选题】
The passage is mainly intended for parents . ___
A. whose kids have difficulty in self- discipline
B. whose kids are addicted to media use
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【单选题】
The word “it” (Para. 2) most probably refers to. ___
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The main problem people may encounter today arises from the fact that . ___
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From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
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Technology facilitates _______. ___
A. sharing information
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We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
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The author thinks that people are _________. ___
A. satisfied with their appearance
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