皮皮学,免费搜题
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搜题
【多选题】
纳米粒按作用机制分类,有
A.
免疫纳米粒
B.
磁性纳米粒
C.
光敏纳米粒
D.
酸性纳米粒
拍照语音搜题,微信中搜索"皮皮学"使用
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举一反三
【单选题】天平秤属于科学区的哪一类操作材料?()
A.
基础工具类
B.
观察阅读类
C.
实验操作类
D.
辅助材料类
【单选题】According to the first paragraph, what are many American parents worried about?
A.
The potential physical problems of the kids.
B.
The higher standard set by the federal government.
C.
A study coming out every other week.
D.
Their children's emotional or behavioral problems.
【简答题】到乡下远足描写了几个伙伴一起出游的情景,你有跟同伴一起出游的经历吗?能像书中一样来介绍介绍吗?
【单选题】天平秤属于科学区的哪一类操作材料( )
A.
基础工具类
B.
观察阅读类
C.
实验操作类
D.
辅助材料类
【单选题】Which of the following is NOT mentioned as a problem for employers that is poten- tially solved by telecommuting ? 查看材料
A.
Employees' lateness for work.
B.
Employees' absence from work.
C.
Employees' need for time alone to work intensively.
D.
Employees' conflicts with second jobs.
【单选题】Candler was skillful at advertising and showed much imagination in understanding the potential.
A.
Y
B.
N
C.
NG
【单选题】用水银温度计测量水温的微小变化,是属于 测量。
A.
偏差法
B.
微差法
C.
零位法
D.
等精度法
【单选题】Which of the following is NOT mentioned as a problem for employers that is poten-tially solved by telecommuting?
A.
Employees' lateness for work.
B.
Employees' absence from work.
C.
Employees' need for time alone to work intensively.
D.
Employees' conflicts with second jobs.
【单选题】Generally speaking, the family, not the school, plays the role in educating children for life.
A.
potential
B.
primary
C.
personal
D.
professional
【单选题】某市 2015 年 5 月 1 日~ 10 日十天的空气污染指数的数据如下(主要污染物为可吸入颗粒物): 61 , 75 , 70 , 56 , 81 , 91 , 92 , 91 , 75 , 81 . 那么该组数据的极差和中位数分别是( )
A.
36,78
B.
36,86
C.
20,78
D.
20,77.3
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