()对《崇祯历书》进行了删改并进献给了清朝皇帝。
A、郭居静
B、利玛窦
C、汤若望
D、沙勿略
参考答案:C
______ a substance can be synthesized.
A.Upon identifying the basic components of it
B.Once chemically analyzed
C.When gas chromatography is used
D.If spectroscopy is adopted
税收:调节:差距
A.政府:宏观:管理 B.企业:利润:工资C.市场:计划:资源 D.篝火:驱逐:寒冷