题目内容：
下列对提升压力容器材料性能有益的元素是（）
A.P
B.As
C.Ti
D.S
参考答案：
选择题：下列对提升压力容器材料性能有益的元素是（）
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- 题目类型：选择题
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压力容器金属材料选材通常不需要考虑材料的（）
压力容器金属材料选材通常不需要考虑材料的（）这是一个关于压力容器 金属材料 化工设备机械基础的相关问题，下面我们来看答案是什么，压力容器金属材料选材通常不需要考虑材料的（）A.耐腐蚀性B.氧化性C.还原性D.经济性正确答案：还原性
A gerund performs the same functions as a noun.
A gerund performs the same functions as a noun.这是一个关于英语语法与句子写作的相关问题，下面我们来看答案是什么，A gerund performs the same functions as a noun.A.正确B.错误正确答案：正确
In the sentence I found her a lovely girl, a lovely girl is the complement to the object.
In the sentence I found her a lovely girl, a lovely girl is the complement to the object.这是一个关于英语语法与句子写作的相关问题，下面我们来看答案是什么，In the sentence I found her a lovely girl, a lovely girl is the complement to the object.A.正确B.错误正确答案：正确
Please tell the function(s) of the underlined part(s) in each sentence. In general, the controls imposed upon children represents the needs of parents and the（）values of the community as much as the child's own happiness and well-being.
Please tell the function(s) of the underlined part(s) in each sentence. In general, the controls imposed upon children represents the needs of parents and the（）values of the community as much as the child's own happiness and well-being.这是一个关于英语语法与句子写作
下列树种中，被列为中国一级保护的树种是（）
下列树种中，被列为中国一级保护的树种是（）这是一个关于水杉 树种 园林树木学的相关问题，下面我们来看答案是什么，下列树种中，被列为中国一级保护的树种是（）A.水杉B.柳杉C.杉木D.落羽杉正确答案：水杉