皮皮学，免费搜题
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【单选题】
卓越网最后被( )收购。A.
阿里巴巴
B.
亚马逊
C.
京东
D.
ebay
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】学新歌的步骤是
【简答题】写出判断“三条线段a,b,c构成三角形”的表达式________ 。
【单选题】克隆羊多莉的诞生过程如图所示，该事实说明（ ）
A.
遗传物质的载体是染色体
B.
遗传物质在细胞核内
C.
遗传物质在细胞质内
D.
遗传物质是DNA，DNA位于染色体上
【单选题】多利的诞生过程如图所示，该事实说明 [ ]
A.
遗传物质的载体是染色体
B.
遗传物质在细胞核内
C.
遗传物质在细胞质内
D.
遗传物质是DNA，且DNA位于染色体上
【单选题】In that country, a person who marries before legal age must have a parent's ______ to obtain a license.
A.
sanction
B.
warrant
C.
malignance
D.
affirmation
【单选题】Consider a system excited by a periodically changing external load. Which one of the following is true?
A.
The amplitude of the displacement response can be reduced if the mass becomes smaller.
B.
The response becomes larger if the excitation frequency is increased.
C.
Severe vibration takes place as the excitation frequency comes close to one of the system’s natural frequencies.
D.
There is nothing one can do to turn down the vibration scale because it is a random function of time.
【简答题】为什么我会为母亲卖白菜的决定而哭?
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