皮皮学，免费搜题
登录
搜题
【简答题】
动物的身体结构总是与其功能相适应。根据这一生物学基本观点，分析回答下列问题。 （1）鱼能够在水中生活，有两点是至关重要的：一是能靠游泳来获取食物和。防御敌害，二是能用 在水中呼吸。 （2）蝗虫生活在，外骨骼是覆盖在它身体表面的坚韧的外壳，有保护和支持内部柔软器官、防止体内 的作用。 （3）家鸽在飞翔时，除了用肺呼吸外，还用 辅助呼吸。 （4）哺乳动物靠四肢支撑起身体，骨在肌肉牵引下围绕着 运动，使躯体能够完成各种动作，从而具有发达的运动能力。
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
【单选题】听力原文：W: Who's your new secretary, Tom? M: I'm pleased with the work she's been doing so far. What do we know about Tom's secretary?
A.
She's not efficient.
B.
She's often late.
C.
She's capable.
D.
She's honest.
查看完整题目与答案
【单选题】活动效果评估包含哪些方面？o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 引流效果o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape ...
A.
v\:* {behavior:url(#default#VML);}
B.
用户参与情况
C.
v\:* {behavior:url(#default#VML);}
D.
v\:* {behavior:url(#default#VML);}
查看完整题目与答案
【单选题】Mrs．Wang is ______ secretary who is kind-hearted and helpful. And it's ______ pleasure to work with her．
A.
the; me    
B.
a; a    
C.
a; the  
D.
the; a
查看完整题目与答案
【简答题】活动蹭热点包含哪些要素？A. v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 速度快B. v\:* {behavior:url(#default#VML);}o\:...
查看完整题目与答案
【单选题】听力原文：Is the new secretary you work with getting used to her job? (A) It's a secret as far as I know. (B) Sure, she is doing well. (C) No, I don't think she is on duty. (34)
A.
B.
C.
查看完整题目与答案
【多选题】活动运营流程包含哪些内容？o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 活动准备
A.
v\:* {behavior:url(#default#VML);}
B.
活动策划
C.
活动执行
D.
活动复盘
查看完整题目与答案
【简答题】下面哪些是活动推广渠道？A. v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 新媒体B. v\:* {behavior:url(#default#VML);}o\:...
查看完整题目与答案
【单选题】A secretary in the future will______.
A.
have more work to do
B.
be better paid
C.
have higher status
D.
have less work to do
查看完整题目与答案
【判断题】v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 若函数【图片】在区间【图片】上一致连续，又有区间【图片】，则【图片】在区间【图片】上一致连续．
A.
正确
B.
错误
查看完整题目与答案
【简答题】亚马逊公司(Amazon),是美国最大的一家网络电子商务公司,位于华盛顿州的西雅图。是网络上最早开始经营电子商务的公司之一,亚马逊成立于1995年,一开始只经营网络的书籍销售业务,现在则扩及了范围相当广的其他产品,已成为全球商品品种最多的网上零售商和全球第二大互联网企业,在公司名下,也包括了AlexaInternet、a9、lab126、和互联网电影数据库(Internet Movie Datab...
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Who's your new secretary, Tom? M: I'm pleased with the work she's been doing so far. What do we know about Tom's secretary?
A.
She's not efficient.
B.
She's often late.
C.
She's capable.
D.
She's honest.
查看完整题目与答案
【单选题】活动效果评估包含哪些方面？o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 引流效果o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape ...
A.
v\:* {behavior:url(#default#VML);}
B.
用户参与情况
C.
v\:* {behavior:url(#default#VML);}
D.
v\:* {behavior:url(#default#VML);}
查看完整题目与答案
【单选题】Mrs．Wang is ______ secretary who is kind-hearted and helpful. And it's ______ pleasure to work with her．
A.
the; me    
B.
a; a    
C.
a; the  
D.
the; a
查看完整题目与答案
【简答题】活动蹭热点包含哪些要素？A. v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 速度快B. v\:* {behavior:url(#default#VML);}o\:...
查看完整题目与答案
【单选题】听力原文：Is the new secretary you work with getting used to her job? (A) It's a secret as far as I know. (B) Sure, she is doing well. (C) No, I don't think she is on duty. (34)
A.
B.
C.
查看完整题目与答案
【多选题】活动运营流程包含哪些内容？o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 活动准备
A.
v\:* {behavior:url(#default#VML);}
B.
活动策划
C.
活动执行
D.
活动复盘
查看完整题目与答案
【简答题】下面哪些是活动推广渠道？A. v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}x\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 新媒体B. v\:* {behavior:url(#default#VML);}o\:...
查看完整题目与答案
【单选题】A secretary in the future will______.
A.
have more work to do
B.
be better paid
C.
have higher status
D.
have less work to do
查看完整题目与答案
【判断题】v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} 若函数【图片】在区间【图片】上一致连续，又有区间【图片】，则【图片】在区间【图片】上一致连续．
A.
正确
B.
错误
查看完整题目与答案
【简答题】亚马逊公司(Amazon),是美国最大的一家网络电子商务公司,位于华盛顿州的西雅图。是网络上最早开始经营电子商务的公司之一,亚马逊成立于1995年,一开始只经营网络的书籍销售业务,现在则扩及了范围相当广的其他产品,已成为全球商品品种最多的网上零售商和全球第二大互联网企业,在公司名下,也包括了AlexaInternet、a9、lab126、和互联网电影数据库(Internet Movie Datab...
查看完整题目与答案