皮皮学，免费搜题
登录
搜题
【单选题】
下列实验操作正确的是( )A.
粗盐提纯时，为了加快过滤速度，可用玻璃棒搅拌过滤器中的液体
B.
滴定管洗净后无需烘干，只要经待装液润洗2～3次，即可注入待装液进行滴定
C.
把新制的氯水滴在pH试纸上测其pH
D.
蒸发操作时，应使混合物中的水分完全蒸干后，停止加热
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: Bruce Chizen is CEO of Adobe. He is offering some advice on following the founders' footsteps. W: You've said you had an unusual rise to the top at Adobe. How so? M: I was not an engineer. I d...
A.
He was from the eastern part of US.
B.
He is willing to try new ideas.
C.
He is good at experiment.
【单选题】A) Arranging courses for them. B) Offering them access to the Internet. C)Supporting their interest. D) Givingthem constructive advice.
A.
Arranging courses for them.
B.
Offering them access to the Internet.
C.
Supporting their interest.
D.
Giving them constructive advice.
【单选题】The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 se...
A.
Lower the bridge priority number.
B.
Change the MAC address of the switch.
C.
Increase the VTP revision number for the domain.
D.
Lower the root path cost on the switch ports.
E.
Assign the switch an IP address with the lowest value.
【单选题】The author concludes by offering the advice ______.
A.
since tradition necessarily has its roots in the past, it would be better to take no notice of it
B.
we must stick firmly to tradition when facing a new problem, and not break with it under any circumstance
C.
we should neither worship nor reject tradition but take from it some help it can offer in certain particular instance
D.
we should realize the limitations of a changing world and not invite failure
【简答题】Thank you for offering me such useful advice and I_______________________ it.
【单选题】Offering advice on each and every problem will ______ her feeling of being adult
A.
report
B.
simplify
C.
classify
D.
undermine
【单选题】—Thank you for offering me so much advice on English learning, Tom. —_______ .
A.
With pleasure
B.
It’s all right
C.
It’s my pleasure
D.
It’s nice to say so
相关题目：