皮皮学，免费搜题
登录
搜题
【单选题】
下列数列是等比数列的是( )A.
1,﹣3,9,﹣27,…
B.
2,4,6,8,…
C.
﹣2,4,8,﹣16,…
D.
1,4,8,16,…
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】阅读理解。 There are many ways of defining success. It is accurate to say that each of us has our own concept of success to the extent that each of us is responsible for setting our own goals and determini...
【简答题】SolidWorks零件造型时，可以用集合运算中（ ）的概念造型具有内部复杂型腔的结构形状。（“差”、“并”、“交”中选择）
【单选题】根据皮亚杰的观点,儿童能发现物体在水中受到的浮力与物体排开的水量有关,而与物体的质地无关。这说明儿童的认知发展水平已处在( )
A.
感知运动阶段
B.
前运算阶段
C.
具体运算阶段
D.
形式运算阶段
【简答题】Few Americans remain in one position or one place for a lifetime. We move from town to city to suburb, from high school to college in a different state, from a job in one region to a better job elsewh...
【简答题】To a large degree, the measure of our peace of mind is determined by how much we are able to live in the present moment. Irrespective ( 不考虑 ) of what happened yesterday or last year, and what may or m...
【单选题】It's navel gazing time again, that stretch of the year when many of us turn our attention inward and think about how we can improve the way we live our lives. But as we embark on this annual ritual of...
A.
They want to know if they get prepared for the future.
B.
They consider it beneficial to their future lives.
C.
They pay too much attention to their self-improvement.
D.
They overemphasize their progress in the past year.
【简答题】SolidWorks零件造型时，可以用集合运算中（ ）的概念造型具有内部复杂型腔的结构形状。（从“差”、“并”、“交”中选择）
【单选题】Friendship is a topic close to all our hearts, for none of us would choose to live ____ friends, the source of so many of our ______ moments.
A.
with; saddest
B.
without; sadest
C.
with; happiest
D.
without; happiest
【单选题】根据皮亚杰的观点，儿童能发现物体在水中受到的浮力与物体排开的水量有关，而与物体的质地无关，说明儿童的认知发展水平已处在 ( )
A.
感知运动阶段
B.
前运算阶段
C.
具体运算阶段
D.
形式运算阶段
相关题目：