问题 单项选择题

当梁、柱中纵向受力钢筋的混凝土保护层厚度大于()时,应对保护层采取有效的防裂措施。

A.15mm

B.25mm

C.30mm

D.40mm

答案

参考答案:D

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阅读下面短文,根据短文内容,补全表格中所缺的信息。每空最多填写三个单词。
The idea of Mother’s Day is a very old idea. It was started by the ancient Egyptians (埃及人),who celebrated(庆祝) a day to honor (向……表示敬意) Isis, the mother of the pharaohs. The early Christians(基督教徒) celebrated a day to honor Mary, the mother of Jesus.
Later, English Christians celebrated to honor all mothers. This English holiday was called “Mothering Sunday”. When the English came to America, they did not have time for Mothering Sunday, so the holiday was not celebrated in America. In 1914,the U.S passed a law which designated(规定) the second Sunday in May as Mother’s Day to honor the mothers who had lost sons in war.
Today, Mother’s Day is celebrated in many other countries for all mothers. In Canada, Australia, New Zealand, Mother’s Day is celebrated on the same day as in the United States—the second Sunday in May. Children give their mothers cards, gifts, and flowers. Schools plan Mother’s Day’s special activities.
In China, the holiday is celebrated to show the respect(尊重) the Chinese have for the old people, and the love they have for their parents. Ten top mothers are chosen by the government. People all over the country try different ways to help mothers who are poor.
小题1:_______________________
 
People/County
Who to Honor
Activities
in ancient times
Egyptians
Isis
 
early Christians
Mary
 
later
the English
all mothers
 
the U.S
mothers who had lost sons in war
小题2:_______________
now
Canada, Australia, etc
all mothers
give mothers cards, gifts, and flowers; 小题3:____________
China
小题4:_____________;
parents
choose ten top mothers;
小题5:_______________