【单选题】What's the author's tone in the last sentence of the passage?
【单选题】What's the author's viewpoint about the models and their hairstyles and clothes?
【单选题】What's the author's attitude shown in the passage?
A.
Supportive to the scientists' research.
B.
Opposed to the lead pollution.
C.
Just descriptive of an on-going fact.
D.
Positive to the prospect of the solution of lead pollution.
【判断题】婴幼儿认知能力训练,对同一类东西不要提供不同的样品。
【单选题】What's the author's attitude towards the future of earthquake control ?
【单选题】What's the author's attitude towards the solution to drunken driving in the United States?
【单选题】What's the author's attitude towards the waste of the earth's resources ?
【单选题】What's the author's attitude to the policy that prevents students with bad grades from participating in extracurricular activities?
【单选题】某工程有前后两道施工工序,在4个施工段组织时间连续的流水施工,流水节拍分别为4天、3天、2天、5天与3天、2天、4天、3天,则组织时间连续时的流水步距为( )天。
【判断题】机器人不仅可以代替人类做很多工作,还可以模拟人类走路、抓举,甚至可以感知周围的环境。