皮皮学,免费搜题
登录
搜题
【简答题】
Fill in the blanks with the proper words or expressions given below, changing the form if necessary. annoy get ahead tend to firm attitude at (the) most on the basis of pay at hand log 1) You have to keep some money ____________ when traveling. 2) The boss was here just now. He has been away 10 minutes ____________. 3) She is ____________ with the salesman because the product is completely different from what he recommended. 4) Many businessmen spend lots of money in advertising as they know it ______ to advertise. 5) When more people wish to buy than to sell, the price ____________ rise. 6) The young man worked very hard and soon began to ____________. 7) Good grades of examination is __________ hard work at other time. 8) The police______ all phone calls. 9) Being unemployed produces negative ________ to work. 10)The quick handshake was _____ and cool.
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】电能的等价折煤系数0.35kg/kWh表示什么意义?
A.
1度电和350克标煤的能量是等价的
B.
1度电和350克标煤是相等的
C.
发1度电需要消耗350克标煤。
D.
1度电相当于350克标煤
【单选题】异步电动机,PN = 22 kW,UN = 380V,IN = 41A,λS = 2.2,KI= 7.5,星角起动,则Ist ́应为[ ]。
A.
76.88 A
B.
102.5A
C.
177.5 A
D.
307.5 A
【单选题】excel主要擅长于
A.
数据整理、统计与分析
B.
文字处理与高效排版
C.
观点表达与方案呈现
【简答题】某三相异步电动机,P N =22kW,U N =380V,I N =42.5A,n N =1470r/min,在额定状态下运行时的功率损耗P=2kW。求:(1)极对数P;(2)额定转差率s N ;(3)额定转矩T N :(4)额定效率η N ;(5)额定功率因数λ N 。
【多选题】根据启事的不同作用和目的,可以分为()
A.
寻领类启事
B.
征召类启事
C.
声明类启事
D.
告知类启事
【单选题】《××公司招聘》和《××文学月刊征稿》属于( )类的启事。
A.
征招类
B.
寻领类
C.
说明类
D.
告知类
【单选题】下列关于汽车配件编码的功能说法不正确的是( )
A.
因为用语言文字表达配件信息可能是多样性的,而编码是唯一的,所以能提高配件信息传递的准确性
B.
因为计算机最擅长数字信息的处理,所以编码便于运用计算机进行汽车配件管理
C.
因为编码不受语言的影响,所以便于配件的流通和贸易
D.
能提高汽车配件流通的擦错率
【多选题】以下哪几种属于数字游戏的特征?
A.
擅长于向玩家隐藏信息
B.
用很特别的方式来揭示信息
C.
能自动处理复杂的过程
D.
给玩家远距离交流,共享社会空间的能力
【单选题】异步电动机,PN = 22 kW,UN = 380V,IN = 41A,λst = 2.2,KI= 7.5,星角起动,则Ist ́应为[ ]。
A.
76.88 A
B.
102.5A
C.
177.5 A
D.
307.5 A
【单选题】异步电动机,PN = 22kW,UN = 380V,IN =42A,nN =980r/min,当△n= 240r/min时s应为[ ]。
A.
0.23
B.
0.235
C.
0.24
D.
0.245
相关题目: