皮皮学，免费搜题
登录
搜题
【判断题】
挥发酚测定的萃取操作过程中，静置分层后，即可将三氯甲烷层放入3cm比色皿中。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】原码的编码规则是:最高位代表 ,其余各位是该数的 。
【单选题】路由器的转发表中，存在如下“IP地址前缀——出端口”表项：1）128.89——1；2）128.89.25——2；176——3；128.86——4 。该路由器收到一个目的IP地址为128.89.25.4的数据包，则这个数据包将从哪个端口送出
A.
1
B.
2
C.
3
D.
4
【单选题】When I try to understand ________ that prevents so many children from being happy, there seem to be three causes.
A.
why it is
B.
what it does
C.
why it does
D.
what it is
【单选题】Formation of solutions where the process is endothermic can be spontaneous provided that __________.
A.
they are accompanied by another process that is exothermic
B.
they are accompanied by an increase in order
C.
they are accompanied by an increase in disorder
D.
the solvent is a gas and the solute is a solid
E.
the solvent is water and the solute is a gas
【单选题】Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by _____.
A.
heat convection through the adjacent bulkheads
B.
combustion gases carried through the ventilation system
C.
direct convection of the heat emitted by the adjacent fire
D.
heat radiated from the dock or bulkhead by the adjacent fire
【单选题】听力原文：I try to eat less when I am on a tight schedule. (A) Yes, I saw that too on a diet program. (B) I also get drowsy if I have a big meal. (C) The restaurant is so crowded whenever I go there. (6)
A.
B.
C.
【简答题】原码的编码规则是:最高位代表_______,其余各位是该数的尾数本身。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
