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【单选题】
图样中标注锥度时，其锥度符号应配置在（）A.
基准线上
B.
引出线上
C.
轴线上
D.
A、B均可
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反馈参考答案：
举一反三
【单选题】下列不属于人类辅助生殖技术伦理价值的是
A.
生殖技术可以繁育人类所需要的特定种类的人，为人类服务
B.
生殖技术可以治疗弥补不育，有利于婚姻家庭
C.
生殖技术可以用于优生
D.
生殖技术可以有利于计划生育
【单选题】From the passage, we can know that______.
A.
effective measures can be taken mainly by the government
B.
taking measures now can soon improve the environment
C.
immediate measures can cause great suffering and social problems
D.
every single person% action has some effect on environment protection
【单选题】What measures can be taken to make it harder to get cigarettes?
A.
To set a series of bans on public smoking.
B.
To set the price of cigarettes properly.
C.
To package the cigarettes with tips of warning.
D.
To reduce the production and supply of cigarettes.
【单选题】From the passage, we can know that______.
A.
effective measures can be taken mainly by the government
B.
taking measures now can soon improve the environment
C.
immediate measures can cause great suffering and social problems
D.
every single person's action has some effect on environment protection
【单选题】关于肺的呼吸部,错误的是()
A.
肺的呼吸部起始于呼吸性细支气管
B.
肺呼吸部气道管壁上开始出现肺泡
C.
肺的呼吸部主要执行换气功能
D.
肺的呼吸部管壁完整
E.
肺呼吸部管壁中没有软骨
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