皮皮学,免费搜题
登录
搜题
【简答题】
浓硝酸由稀硝酸蒸馏制得,需要加入的脱水剂是()。
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】Which of the following has NOT been mentioned as the advantage of examinations?
A.
Examinations are the only objective way of selecting students.
B.
Examinations are the only objective way to eliminate the problem of corruption.
C.
Examinations can tell us that too much anxiety can be a bad thing.
D.
Examinations can better stimulate students to study.
【单选题】分析下面的 JavaScript 代码 ,经过运算后 m 的值为( )。 var x=11; var y="number"; var m=x+y; A: B: C:
A.
11number
B.
number
C.
11
D.
程序报错
【判断题】十四条原则是科学管理理论的内容之一。
A.
正确
B.
错误
【简答题】分析下面的JavaScript代码段,输出的结果是 emp=new Array(5); emp[1]=1; emp[2]=2; document.write(emp.length);A. 2 B. 3 C. 4 D. 5
【单选题】以下哪种网络设备是工作在数据链路层上的设备?
A.
Hub
B.
Gateway
C.
Router
D.
Switch
【单选题】下列客房用品中属于一次性消耗用品的是( )
A.
hair dryer
B.
hair dryer
C.
quilt
D.
electric kettle
【单选题】It took 30 years for the son to understand _____.
A.
that his father loved him deeply
B.
that the most precious gift is to touch people's hearts through music
C.
that the music he played was his father's
D.
why his father never learned to play his violin
【简答题】The next paragraph will probably deal with ________. [A] the other type of examination [B] the advantages of the objective test [C] how students guess the correct answer without really knowing the mat...
【单选题】单选题-防治胰岛素引起低血糖反应的措施不包括
A.
注意用药剂量
B.
用药后按时进餐
C.
轻者可口服糖水
D.
及时注射肾上腺素
E.
重者立即静脉注射50%葡萄糖20~40ml
【判断题】如果换新曲轴,与原飞轮装配后应重新作动平衡。
A.
正确
B.
错误
相关题目: