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【单选题】
取样前,需要取多少ml待测液润洗量筒和烧杯?A.
10
B.
2
C.
5
D.
8
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举一反三
【单选题】If you are writing a paper to state the reasons why students should wear uniforms at school, which one of the following is the best thesis statement?
A.
Students should wear uniforms at school because uniforms may probably make schools safer for students, and children can focus on their studies rather than their clothes.
B.
Students should not wear school uniforms since they infringe upon students' right to express their individuality.
C.
Students should wear uniforms at school because uniforms make schools safer for students, create a "level playing field" that reduces socioeconomic disparities, and encourage children to focus on their studies rather than their clothes.
D.
School uniforms are necessary for students since they can encourage children to focus on their studies rather than their clothes.
【单选题】()年3月18日,北京友谊宾馆,世纪互联通信技术有限公司向首都各新闻单位的记者宣布:中国内地第一笔互联网 电子交易成功。
A.
1998
B.
1000
C.
5000
D.
1600
【简答题】旅行社市场预测的方法有______、______。
【简答题】市场预测的方法中定性预测法有个人直观判断法、( )和( )。
【简答题】市场预测的方法有 、 、。
【简答题】If you are writing to a company, the salutation should be__1__. If you are writing to a women that you do not know whther she is married or not, the salutation should be__2__. If you are writing to an...
【单选题】保持口腔健康的方法,说法不正确的是
A.
选择软毛牙刷,每6个月更换牙刷
B.
定期到医院进行口腔检查
C.
合理营养,补充牙齿所需的钙、磷等
D.
少吃含糖食品,多吃新鲜蔬菜
E.
增加牛奶与豆制品的摄入量
【简答题】市场预测的方法有 、 、 。
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