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【判断题】
判断对错:肋共有10对。
A.
正确
B.
错误
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举一反三
【单选题】弹性蛋白借_____氨基酸残基间的交联键形成网状结构。( )
A.
Pro
B.
Gly
C.
Lys
D.
Sex
E.
Thr
【判断题】反应速率与反应物的浓度成正比。
A.
正确
B.
错误
【简答题】早在春秋战国时期,我国就开始生产和使用铁器. (1)请写出用CO和赤铁矿(主要成分Fe 2 O 3 )为原料炼铁的化学方程式______,盛水的铁锅与水面接触的一圈最易生锈.钢铁生锈的条件是______,利用新技术能将不锈钢加工成柔软的金属丝,这是利用了不锈钢的______(填字母). A.耐腐蚀性     B.延展性   C.导热性   D.导电性 (2)铝比铁活泼,但铝箔比铁螺丝钉耐腐蚀,铝制...
【单选题】The conversation was so interesting that we were ______ of the lateness of the hour.
A.
generous
B.
credulous
C.
gorgeous
D.
oblivious
【单选题】According to the conversation, which of the following is TRUE?
A.
The man was also assigned to a group.
B.
The woman did not take notes from the class.
C.
The woman's group did not choose a topic in the previous class.
D.
From the next Wednesday, the class will start covering the chapter called Sustainable Development.
【简答题】A.Because the conversation was so interesting, B.Because they talked loudly enough. C.Because they stood so closely to the woman. D.Because the language they used was so different.
【判断题】认为西方人一定是直率而开朗的,这是首因效应的作用。
A.
正确
B.
错误
【判断题】认为西方人一定是直率而开朗的,这是首因效应也就是第一印象的作用。
A.
正确
B.
错误
【判断题】喷溅产生的原因是发生爆发性碳氧反应和一氧化碳气体排出受阻。
A.
正确
B.
错误
【简答题】请写出下面工件的加工顺序:
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