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【简答题】
December 25 is Christmas Day(圣诞节). Christmas is an important holiday in many countries. On Christmas Day, most families get together for a big dinner. They give presents to each other and visit friends. The Christmas tree is an important part of the Christmas holiday. Most families buy trees. The families decorate(装饰) the tree together. Parents usually tell their children that Father Christmas comes during the night and brings presents to good children. Of course, Father Christmas isn’t real. The parents of the children are really “Father Christmas”. They put the presents under the tree or into their children’s stocking(长统袜) after the children go to sleep. 小题1:What do most families in America do on Christmas Day? __________. A.They only have a big dinner together B.They have a big dinner, exchange (交换) presents and visit friends C.They just visit friends and exchange presents D.They exchange presents only 小题2:Who is really “Father Christmas”? ___________. A.Their parents B.Their father C.Their mother D.Father Christmas 小题3:When Christmas Day is coming, the parents __________. A.usually tell their children that Father Christmas isn’t real B.tell their children that Father Christmas comes during the night and brings presents to good children C.sometimes tell their children that Father Christmas comes during the day D.often tell their children that Father Christmas gives presents to poor children 小题4:When did parents put the presents into their children’s stocking? __________. A.Before the children go to sleep B.After the children go to sleep C.December 26 D.At midnight of December 25
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【单选题】以下不属于成语特点的是。
A.
意义具有整体性
B.
结构凝固
C.
风格典雅
D.
幽默性强
【单选题】已知某点处应力状态如图所示,则图示斜截面上的应力为( )(应力单位为 MPa )。
A.
A
B.
B
C.
C
D.
D
【判断题】托运的货物品种不能在一张运单内逐一填写的应填写货物清单。
A.
正确
B.
错误
【判断题】托运的货物品种不能在一张运单内逐一填写的应填写货物清单
A.
正确
B.
错误
【简答题】图示为某点处的应力状态,单位为 MPa .材料的泊松比 .该点处的四个强度理论的相当应力分别为 MPa , MPa , MPa , MPa.
【判断题】托运的货物品种不能在一张运单内逐一填写的应填写货物清单。
A.
正确
B.
错误
【判断题】编辑文字的快捷键是ATE.
A.
正确
B.
错误
【简答题】亲代DNA在子代DNA中的保留形式除了半保留式复制之外,还可能存在其他两种复制方式,即________和__________。
【单选题】下列情况下应对色谱柱进行老化的是()。
A.
每次安装了新的色谱柱后
B.
色谱柱每次使用后
C.
分析完一个样品后,准备分析其他样品之前
D.
更换了载气或燃气
【判断题】酒精燃烧法测定土样天然含水率适用于有机质含量较高的土
A.
正确
B.
错误
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