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【判断题】
慢性呼衰失代偿期给氧的原则是：O 2 浓度25％～30％，O 2 流量1～2L／min，持续给氧。A.
正确
B.
错误
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【简答题】People who refuse to ________ with the law will be punished. A) obey B) consent C) conceal D) comply
【单选题】If people ______ the traffic rules, there will be fewer accidents.
A.
will obey
B.
obey
C.
obeys
【简答题】（B） What does an astronaut eat in space? This is a question that will puzzle many, as people rarely think of that. In the early space-travel years, astronauts ate dehydrated (脱水的) foods that were eate...
【简答题】可以使用 String 类的 方法判断一个字符串的后缀是否是字符串 s 。
【简答题】可以使用 String 类的 方法判断一个字符串的前缀是否是字符串 s 。
【单选题】Dogs who accompany blind people must learn______.
A.
to obey all orders
B.
to obey only safe orders
C.
never to cross busy roads
D.
to cross roads when commanded
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