皮皮学,免费搜题
登录
搜题
【判断题】
The poverty lines in America and China are the same.( )
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】A good way to pass an exam is to work hard every day in the year, You may fail in an exam if you are lazy for most of the year and then work hard only a few days before the exam. If you are taking an ...
【单选题】Many young graduates don't want to work because they think that________, they probably wouldn't be able to enjoy an easy and colorful life. A.are they to work B. Were they to work C. had they w...
A.
are they to work
B.
were they to work
C.
had they worked
D.
have they worked
【单选题】六种短周期主族元素A、B、C、D、E、F的原子序数依次增大,其中A与E周主族,B与F同主族.已知常温下单质A与E的状态不同,D的核电荷数是B的最外层电子数的2倍,单质F是一种重要的半导体材料,则下列推断正确的是(  )
A.
由A、C、D三种元素组成的化合物一定是共价化合物
B.
原子半径由大到小的顺序是:E>F>C>D
C.
B、C、E、F四种元素的最高价氧化物对应的水化物酸性最强的是B,碱性最强的是E
D.
元素的非金属性由强到弱的顺序是:D>C>F>B
【判断题】根据测量条件的不同,测量方法可以分为等精度测量和不等精度测量。
A.
正确
B.
错误
【简答题】Five years ago, David Smith wore an expensive suit to work. He used to carry a nice to work with him so that he could change if his clothes got wrinkled (皱的). “I’m working harder than ever,” David say...
【单选题】(2017· 江苏化学, 5) 短周期主族元素 X 、 Y 、 Z 、 W 原子序数依次增大,其中只有 Y 、 Z 处于同一周期且相邻, Z 是地壳中含量最多的元素, W 是短周期中金属性最强的元素。下列说法正确的是 ( )
A.
原子半径: r (X) < r (Y) < r (Z) < r (W)
B.
W 的最高价氧化物的水化物是一种弱碱
C.
Y 的单质的氧化性比 Z 的强
D.
X 、 Y 、 Z 三种元素可以组成共价化合物和离子化合物
【简答题】A good way to pass an exam is to work hard every day in the year.You may fail in an exam if you are lazy for most of the year and then work hard only a few days before the exam. Do not remember only g...
【简答题】A good way to pass an exam is to work hard every day in the year.You may fail in an exam if you are lazy for most of the year and then work hard only a few days before the exam.If you are taking an En...
【单选题】关于年度运营预算,下列说法错误的是( )。
A.
该预算列出了物业的主要收入来源和费用支出项目
B.
该预算不仅能令物业各项收入与支出的原因一目了然,还能告诉人们这些收入或支出将发生在什么时间
C.
该预算不需为不可预见费用的支出预留空间
D.
该预算除了令业主了解未来一年中物业的收支估算外,也为物业服务企业提供了一个分析物业过去的经营表现和根据对未来的有关估计,对个别的预算项目提供适当的调整机会
【简答题】主题:柱式结构立体构成 用纸制作20*20*50的透空柱体一个 要求:柱端、柱面、柱体棱线都要有变化 柱式形状不限,四棱柱、三棱柱、圆柱均可 1.做工精细,整体美观 2.造型新颖,富有创新性 3.带底座
相关题目: