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本课程起止时间为:2020-03-02到2020-07-25
本篇答案更新状态:已完结
1、 问题:从较大的金属铸件采样，正确的方法是
选项：
A:在铸件的表面锉一些金属屑，混合而成
B:在铸件的表面各个部位都锉一些金属屑，混合而成
C:将铸件锯成两半，收集锯屑，混合而成
D:在铸件的不同部位锯断，收集锯屑，混合而成
E:在铸件的某一部位钻孔，穿过整个铸件，收集钻屑，混合而成
F:在铸件的不同部位钻孔，穿过整个铸件，收集钻屑，混合而成
答案: 【在铸件的不同部位锯断，收集锯屑，混合而成;
在铸件的不同部位钻孔，穿过整个铸件，收集钻屑，混合而成】 点我阅读全文
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-03-08到2021-06-18
本篇答案更新状态:已完结
1、 问题:Who was Apollo in Greek mythology? (1.1. 02:26-3:22)
选项：
A:The beautiful daughter of a river god.
B:The god of poetry.
C: The god of pastoral life.
D:The god of love.
答案: 【The god of poetry.】 点我阅读全文
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-02-13到2020-07-12
本篇答案更新状态:已完结
1、 问题: 1. Ancient Chinese were writing stories of smart machines
that _____.
选项：
A: not only looked
like human beings but also spoke the language of human beings
B: not only looked
like human beings but also were dressed in the clothes of human beings
C: not only looked
like human beings but also ate the food of human beings
D: not only looked
like human beings but also thought like human beings
答案: 【 not only looked
like human beings but also thought like human beings 】 点我阅读全文
