按有效数字计算规则,3.40+5.7281+1.00421=( )。
A.10.13231
B.10.1323
C.10.132
D.10.13
参考答案:D
根据课文内容填空。(20*0.5'=10')
小题1:后半夜来了一场暴风雨,大雨倾盆而下。我们躲进了自己搭起来的避雨棚,让木筏顺流而下。
There was a big storm after midnight and the rain _____ ______. We stayed inside the _____ we had built and let the _____ sail down the river.
小题2:作家的生活经历常常和他们所创造的角色的生活经历相似。马克吐温也不例外。
Often the lives of writers_______ the lives of the characters they ______. Mark Twain is _____ _______.
小题3:欧洲是狂欢节的发源地,在那里,狂欢节过后会有40天不食肉的日子。这期间,人们准备迎接基督教的节日——复活节。
In Europe, ______ it began, _______ was followed by forty days without meat, as people ______ ______ the Christian festival of Easter.
小题4:那时,他们把自己的脸涂成白色,模仿并取笑他们的主人。
They ______ their faces white, imitating their masters and _____ ______ _____ them.
小题5:但就是这种失败感,使他决心在新的生活中取得成功。
But it was this _____ _______ ______ that made him determined to ______in his new life.
国家对制造、配售民用枪支的数量,实行限额管理。