含有高价铁的水垢,容易引起与水垢接触的金属铁的腐蚀。()

题型:判断题

问题:

含有高价铁的水垢,容易引起与水垢接触的金属铁的腐蚀。()

考点:锅炉水处理工锅炉水处理工题库
题型:判断题

根据首字母和汉语提示完成下面句子中的单词

1. He ______(允许)us to read his letter just now.

2. ______(显然) nobody made an apology to him.

3. We admire him for saving the d______(快溺死的)man.

4. People hope children will have fun ______(庆祝) the festivals.

5. They feel ______(自信)they will win the match.

6. He found a wallet, c_______(含有)some money and an identity card.

7. To our _______(宽慰), he was rescued.

8. She was _______(授予)a medal for bravery.

9. People g______ in the hall for the celebration on the eve of the National Day.

10. Why are they in danger of ______(消失)?

题型:判断题

下列省区之间大致以黄河为分界线的是[ ]

A、宁夏 甘肃

B、四川 陕西

C、山西 陕西

D、山东 河南

题型:判断题

企业采用应收账款余额百分比法计提坏账准备的,期末“坏账准备”科目余额应等于按应收账款余额的一定百分比计算的坏账准备金额。()

题型:判断题

中国有个成语“悬壶坐堂”,你知道这个成语发生在长沙哪个街区吗?

题型:判断题

AC006钢件淬火的目的是()。

A.提高强度

B.提高机械性能

C.提高疲劳强度

D.提高硬度和耐磨性

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