问题
单项选择题
（）必须为劳动者提供符合国家规定的劳动安全卫生条件和必要的劳动防护用品，对从事有职业危害作业的劳动者应当定期进行健康检查。
A.建设单位
B.规划部门
C.土地部门
D.用人单位
答案
参考答案：D
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（）必须为劳动者提供符合国家规定的劳动安全卫生条件和必要的劳动防护用品，对从事有职业危害作业的劳动者应当定期进行健康检查。
A.建设单位
B.规划部门
C.土地部门
D.用人单位
参考答案：D
Nine 1700yearold brick tombs have been discovered in northwest China’s Xinjiang. Experts say that they can 1 valuable clues for the research of exchanges(交换；交流) between the central Chinese government at that time and ___2 Western Regions.
It is the 3 time ancient tombs with typical characteristics of China's  main Han nationality have been found in the Uygur ethnic region(自治区)．4 from Beijing，Shanxi and Xinjiang concluded that the tombs were ___5___ between the middle and late third century and fourth century. The tombs were unearthed during the 6 of a road earlier this year in Kuqa county,740 km from Xinjiang's capital Urumqi and part of the 7 Qiuci State. Qiuci State，which 8 between the second century BC and 860 AD，was one of the 36 states in the Western Regions.The tombs would help archaeologists with research into the political，economic and cultural 9 between the Central Plains government and states in the west，and on the cultural 10 of the Central Plains on the Western Regions. Archaeologists from the Xinjiang institute have dug nine tombs since August 22，___11 bodies of more than 30 people，some ancient 12 and more than 60 pottery(陶器)jars. It is thought there are another three tombs to be 13 . The people buried in the tombs were 14 either people from the western regions deeply influenced by the Han culture or the Han residents(居民)in the ___15 .
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