皮皮学,免费搜题
登录
搜题
【单选题】
关于睡眠的叙述不正确的是
A.
是一种暂时失去知觉状态
B.
是最自然的休息方式
C.
对周围环境的反应能力降低
D.
对周围环境失去反应能力
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】某合同中的价格条款规定如下:“每箱FOB大连25美元,总值7500美元”。则此时美元为( )。
A.
计价货币
B.
支付货币
C.
硬币
D.
软币
【判断题】VR是Virtual Reality的英文缩写,即虚拟现实,也被译为灵境或幻真。
A.
正确
B.
错误
【单选题】下列说法不正确的是( )。
A.
人通过视觉可以从外部世界获取80%左右的信息,通过听觉可以获取 10%左右的信息,通过触觉、嗅觉和味觉可以从外部获取的信息量约10%。
B.
多媒体应用系统开发的过程大致是:概念阶段、设计阶段、素材制作阶段、集成阶段、测试阶段、发行阶段。
C.
多媒体是一个比较综合的概念,即使没有计算机也可以实现和运用多媒体技术。
D.
虚拟现实VR(Virtual Reality)技术,是在许多相关技术(如仿真技术、计算机图形学、多媒体技术等)的基础上发展起来的一门综合技术,是多媒体发展的更高境界。
【单选题】真核细胞与原核细胞最本质的区别在于( )
A.
是否含有DNA
B.
有无核糖体
C.
细胞形态差异
D.
有无核膜
E.
进化上的先后
【单选题】—It is _______he often fails in exams_______ makes his parents worried about him. —So, he has to work whole-heartedly.
A.
what, that
B.
that, what
C.
that, that
D.
/, that
【单选题】------ It is he often fails in the exams makes his parents worried about him. ------ So, he has to work whole- heartedly.
A.
what; that
B.
that; what
C.
that; that
D.
/ ; that
【单选题】It is ______he often fails in exams ______makes his parents worried about him.
A.
what; that
B.
that; what
C.
that; that
D.
/ ; that
【单选题】It is ______ he often breaks the school rules ______ makes his headteacher unsatisfied with him.
A.
what that
B.
that what
C.
that that
D.
which that
【单选题】Tom often makes his brother _______ but yesterday he was made _______ by his brother. [     ]
A.
cry; to cry
B.
to cry; cry
C.
cry; cry
D.
to cry; to cry
【单选题】Tony often makes his sister _______, but this time he was made ______by his sister.
A.
cry, cry
B.
crying, crying
C.
to cry, cry
D.
cry, to cry
相关题目: