皮皮学，免费搜题
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搜题
【单选题】
在种系发生过程中最早出现的Ig是A.
IgA
B.
IgD
C.
IgE
D.
IgG
E.
IgM
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举一反三
【判断题】Travelers will not have culture shock when travelling within the same country.
A.
正确
B.
错误
【单选题】假定窗体上有一个标签，名称为Lahel1，为了使该标签透明并且没有边框，则正确的属性设置为______。
A.
Label1. BackStyle=0 Label1. BorderStyle=0
B.
Label1. BackStyle=1 Label1. BorderStyle=1
C.
Label1. BackStyle=True Label1. BorderStyle=True
D.
Label1. BackStyle=False Label1. BorderStyle=False
【单选题】假设窗体上有一个名为 txtShuru 的文本框,并有如下声明语句:int x; 现在想把文本框中输入的文本转换为整数赋值给 x 则以下语句正确的是:( )
A.
x = int.Parse();
B.
x = int.Parse(txtShuru);
C.
x = int.Parse(txtShuru.text);
D.
x = int.Parse(txtShuru.Text);
【单选题】The travelers will stay here for _________.
A.
sometimes
B.
some time
C.
some times
D.
sometime
【单选题】What can be inferred from the last paragraph?
A.
Business travelers will spend less time in hotels.
B.
GuestInvest has made a great success.
C.
Traditional hotels will suffer more pressure than they used to.
D.
Traditional hotels will lose many customers.
【单选题】Ann Marie has been working on pricing for the hotel where she works. She knows that business travelers stay at the hotel because it has easy access to the airport, and leisure travelers stay there bec...
A.
destination planning.
B.
convenience pricing
C.
value-based marketing.
D.
all of these
E.
none of these
【单选题】当外电路断路,即外电路电阻 R=∞ 时,电源的端电压 U=12 V; 当电源两端短路,即外电路电阻 R=0 时,电路的电流 1=24 A, 则电源的电动势为 (()V 。
A.
24
B.
12
C.
6
D.
不能确定
相关题目：
【单选题】The travelers will stay here for _________.
A.
sometimes
B.
some time
C.
some times
D.
sometime