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【单选题】
对氧疗效果最好的是A.
血液性缺氧
B.
循环性缺氧
C.
呼吸性缺氧
D.
组织性缺氧
E.
等缺氧
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【简答题】Teachers and parents usually pay attention to the pictures when they read storybooks to preschool children. But a new study suggests that paying attention to the words and letters on the page may lead...
【简答题】Passage1 Read the choices. Then listen to the passage and choose the best answer to each question you hear.
【单选题】passage1
A.
How to change the design of the kitchen
B.
How to improve the taste of foods.
C.
How to change and improve the way people do things in the kitchen.
D.
How to sense what is going on in the kitchen.
【简答题】引导接车，列车交会时，接发车顺序一经确定，并已通知引导人员引导接车的不得再行（）。
【简答题】Passage1 Read the choices. Listen to the passage and choose the best answer to each question you hear.
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