皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
Every student needs a place to study. Some students like to study in the quiet atmosphere of a library. Most school libraries have large study tables with many chairs. They also have individual study booths called carrels . A carrel is a small table with “walls” around three sides. A carrel is for one person, so there is only one chair at each carrel. Other students prefer to study in their own rooms at home or in a dormitory. In their rooms, these students have a desk, some bookshelves, and perhaps a study lamp to provide good lighting. All students need comfortable chairs because they spend many hours sitting Students have different ideas about the best atmosphere for studying. Some students prefer one kind of lighting, one kind of table or desk, and one kind of chair. Other students prefer a different kind of lighting and furniture. Some students listen to music or study in groups. Other students need to be alone in a quiet room. In other words, there is not one best atmosphere for studying: There is a “best” atmosphere for each individual student. 小测
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】由于灰铸铁属于脆性材料,故不能锻造和()。
【单选题】下列关于PC内存条的叙述错误的是
A.
内存条上面安装有若干DRAM芯片
B.
内存条是插在PC主板上的
C.
内存条两面均有引脚
D.
内存条上下两端均有引脚
【单选题】在 Word 文档编辑状态,被编辑文档中的文字有 4 号、 5 号、 16 镑、 18 镑 4 钟,下列关于所设定字号大小的比较中,正确的是( )
A.
4 号大于 5 号
B.
4 号小于 5 号
C.
16 镑大于 18 镑
D.
字体大小一样,字体不同
【判断题】单作用叶片泵的叶片数越多,流量脉动率越小,此外,奇数叶片比偶数的泵脉动率小。
A.
正确
B.
错误
【判断题】单作用叶片泵的流量是有脉动,理论分析表明:叶片数量越多,流量脉动率越小。
A.
正确
B.
错误
【单选题】单作用叶片泵的叶片数越多,流量脉动率( ),且当叶片数为奇数时流量脉动率较小,故单作用叶片泵的叶片数一般为13或15。
A.
越大
B.
越小
C.
不一定
【判断题】在Word文档编辑状态,被编辑文档中的文字有10镑,11镑,12镑等,11镑字大于12镑字。
A.
正确
B.
错误
【判断题】单作用叶片泵的泵内的叶片数越多,流量脉动率就越小。
A.
正确
B.
错误
【判断题】灰铸铁属于脆性材料。
A.
正确
B.
错误
【单选题】我国生活饮用水水质标准制定依据中,有一组毒理学指标,其意义是( )
A.
保证不产生毒性和潜在性危害
B.
保证不引起介水传染病
C.
保证流行病学安全
D.
保证饮用水感官性状良好
E.
以上都错误
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题