问题
单项选择题
下列不属于物理致癌因子的是()。
A.煤焦油的作用致癌
B.X射线照射致癌
C.紫外线照射致癌
D.电离辐射致癌
答案
参考答案:A
解析:BCD都属于物理因素,不符合题意。A为化学因素,符合题意,本题选A。考点:致癌因子点评:本题考查了学生的识记能力,难度不大,只要记住相关的知识点即可得出正确答案。
下列不属于物理致癌因子的是()。
A.煤焦油的作用致癌
B.X射线照射致癌
C.紫外线照射致癌
D.电离辐射致癌
参考答案:A
解析:BCD都属于物理因素,不符合题意。A为化学因素,符合题意,本题选A。考点:致癌因子点评:本题考查了学生的识记能力,难度不大,只要记住相关的知识点即可得出正确答案。
完形填空。 | |||
Michael Essany is the young star of his own TV talk show. When he was 14, he bought some 1 machines and asked a local television station to air (播放) his show. Michael contacted 500 famous people but only three of them 2 to be on his show. However, now many well-known people want to be on his show. In 2003, the Michael Essany Show became so 3 that even the E! network made a show about his show! Michael's show is 4 from the living room of his family's house. Before the show starts, his parents 5 the guests at the airport and make them comfortable. While the show is 6 , Michael tells jokes and interviews the guests, and his parents 7 the video machines. After Michael finished the show, the guests eat dinner with Michael and his 8 in the dining room. Michael's fame (名气) is 9 , but he still has plans and goals. "I would like to be the host of The Tonight Show. That is my 10 , and it's a dream I intend to realize one day." | |||
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