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【单选题】
下列烧伤急救原则中,正确的是A.
凡有呼吸道烧伤，一律做气管切开
B.
凡有烧伤者，一律用哌替啶止痛
C.
热液烫伤着，不能用较干净冷水浸泡。
D.
应就地给予
E.
立即消除烧伤原因
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反馈参考答案：
举一反三
【多选题】Which of the following statements are not true about "The Flea"?
A.
The poem employs a poetic form which alters between iambic tetrameter and iambic pentameter.
B.
The rhyme scheme follows the pattern of "aabbccddd"
C.
The poem features latinate style.
D.
In the 1st stanza of the poem, the poet argues that killing the flea is easy, and yielding to him will be just as easy and painless.
【简答题】Totally ______ accident, the businessman picked up a _______ antique(古董) in the flea market(跳蚤市场). [ ] A by; true B. in; indeed C. with; actual D. by; genuine
【单选题】Where did the name "flea markets" come from?
A.
A place called "Flea"
B.
Actual fleas on second-hand goods
C.
The wide variety of goods at such markets
【单选题】下列描述正确的是( )
A.
金属型碳化物的化学性质活泼。
B.
立方BN的硬度与金刚石相近；六方晶型BN是一种非常好的高温固体润滑剂。
C.
金属型氮化物熔点高，热稳定性好，高温不易分解。
D.
ZrB、HfB可以作为某些特种耐火材料的重要原料。
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