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【单选题】
已知i1=10sin (314t+ ) A, i2=10sin (628t+ ) A则( )。A.
i1超前i 2 60°
B.
i1滞后i2 60°
C.
i1超前i2 90°
D.
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【简答题】Letter 1 Dear Ann, I am going to give a dinner party next month. I want my guests to enjoy themselves and to feel comfortable. What is the secret of giving a successful party? Letter 2 Dear Mary , Coo...
【简答题】Fill in the blank with one word. The first letter is given already.在横线上填写合适的单词,单词首字母已给出。(答案请给出完整单词, 注意拼写和大小写) There is misuse of credit cards among college studentd. Many students use credit cards to...
【单选题】某名企业开发出科技含量很高的环保型“果冻蜡”“水果蜡”和“魔术蜡”等科技蜡烛,畅销欧美市场,每支获利近两美元,仅蜡烛出口创汇两年达2500多万美元。这事例中,该民营企业主要依靠()产生了经济效益
A.
树立品牌形象
B.
企业科技进步
C.
翻新花样
D.
产品适销对路
【单选题】某公司开发出科技含量很高的环保型果冻腊,水果蜡和魔术蜡等科技蜡烛,其畅销欧美市场,每只获利近二美元,三支蜡烛抵得上一台大彩电的利润,仅蜡烛出口创汇两年达2500多万美元,这一事例中该企业主要依靠( )产生了经济效益。
A.
树立品牌形象
B.
企业科技进步
C.
翻新花样
D.
产品适销对路
【单选题】Question 3 [音频]
A.
Entertain them with big meals.
B.
Let them enjoy some holiday games.
C.
Give them handmade thank-you cards.
D.
Send their families some holiday gift cards.
【单选题】What can small business owners do to help holiday workers get into the holiday spirit?
A.
Entertain them with big meals.
B.
Let them enjoy some holiday games.
C.
Give them handmade thank-you cards.
D.
Send their families some holiday gift cards.
【单选题】某民企业开发出科技含量很高的环保型“果冻蜡”“水果蜡”和“魔术蜡”等科技蜡烛,畅销欧美市场,每支获利近两美元,仅蜡烛出口创汇两年达2500多万美元。这事例中,该民营企业主要依靠( )产生了经济效益。
A.
树立品牌形象
B.
企业科技进步
C.
翻新花样
D.
产品适销对路
【简答题】安全生产中的“三同时”原则是指同时（）、同时（）、同时（）
【简答题】Letter 1 Dear Ann, I am going to give a dinner party next month. I want my guests to enjoy themselves and to feel comfortable. What is the secret of giving a successful party? Mary Letter 2 Dear Mary,...
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