搜题请搜索小程序“爱下问搜题”
问题 选择题

科学技术是一把双刃剑，人类要利用科学技术为人类服务，同时也要防止对人类的危害。下列属于流体压强可能会给人类带来危害的是 [ ]

A．火车站站台上的旅客站在铁路安全线以外

B．在F1赛车的尾部放置上平下凸的模片

C．距离较近的两艘轮船并排行驶

D．农村房顶上的烟囱比屋顶要高出一些

答案

答案：C

完形填空

根据所给首字母提示，完成短文。

Once upon a time there lived in Germany two brothers named Jacob Grim and William Grim. They liked to listen to old stories and then wrote them down. Then they had enough stories to make a book. You can guess the n  小题1:  of their book! It is Grimms’ Fairy Tales (《格林童话》)

The story of this little book began when the brothers were still at school. And it started w  小题2: a good teacher. This teacher liked to find out how things happened. S  小题3:  the two brothers were doing the same thing. They asked questions and then looked for a 小题4:  to them.

Among the q  小题5:   the brothers asked were. “Who made up the old fairy tales?” “Who first told about Cinderella (灰姑娘)?” “Who made up the story of Snow White and the story of Sleeping Beauty?”

They found that no one knew the answers to such questions. The tales were made up in very early times. Most of them were made up in days before people knew h 小题6:  to write. People told the stories to one another and to their children. But only few still r  小题7:  them. “When these old people die, the stories will d  小题8:  with them.” said the brothers. We must write d  小题9:  all the stories we can find.”

Jacob and William hunted for stories for five years. At last they had 89 tales. Just before Christmas in 1812 and first book was published.

People loved the book! They asked for more fairy stories. So the two brothers published two m 小题10:  books. In all, they collected 210 stories to put into their books.
查看答案
单项选择题

甲房地产的收益期限为30年，楼面地价为2700元/m2；乙房地产的收益期限为40年，楼面地价为2800元/m2。报酬率均为6%，其他条件相同。则两宗房地产的价格相比( )。

A．甲大于乙
B．甲小于乙
C．甲等于乙
D．无法确定
查看答案