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【单选题】
利用法则求极限: =( )A.
-1
B.
0
C.
1
D.
2
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反馈参考答案：
举一反三
【简答题】For Conversation Press # 1 I’ve got a cell phone, e-mail and voice mail. But why am I so lonely? A funny thing happened on the way to the communications revolution: we stopped talking to one another. ...
【简答题】e^(-at) cosωt 的拉氏变换是 。
【单选题】Part 2 task1 Passage1, question1:
A.
Hang out with his friends
B.
Invite his friends to fly kites
C.
Look down upon poor people
D.
Set some's house on fire
【单选题】Adam has been hired by an organization that has a partnership with a foreign company. Both the partners share resources and knowledge while developing new products. Adam's organization has formed a __...
A.
licensing company
B.
franchising company
C.
strategic alliance
D.
foreign subsidiary
【简答题】《特种作业人员安全技术考核管理规》(GB5306—85)中，特种作业是指__________。
【简答题】In order to get the full benefits of automation, labour will depend mostly on ________. A) additional payment to the permanently dismissed workers B) the increase of wages in proportion to the increas...
【简答题】计算题：求f（t）＝e －at sinωt的拉氏变换。
【单选题】Part 2 task2 Conversation2, question1:
A.
Because he has to take more required courses this term
B.
Because he took too many required courses lasr year
C.
Because he finds university has too much fun
D.
Because he has many interesting things to learn about
【单选题】已知数列{a n }的前n项和 S n = a n -1(a≠0) ，那么数列{a n }（ ）
A.
一定是等比数列
B.
一定是等差数列
C.
是等差数列或等比数列
D.
既不是等差数列也不是等比数列
【简答题】For Conversation Press # 1 I’ve got a cell phone, e-mail and voice mail. But why am I so lonely? A funny thing happened on the way to the communications revolution: we stopped talking to one another. ...
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