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【多选题】
反映客源国(地)旅游需求的现状及发展趋势的指标有( )。A.
旅游人次
B.
旅游者停留天数
C.
旅游重游率
D.
旅游乘数
E.
旅游出游率
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举一反三
【简答题】A．They pressed the alarm. B．They tried to stop him. C．They stood aside watching him gathering the money. D．They were too frightened to do anything.
【简答题】They tried to restrict access to ________ they believed to be erous areas. A) what B) which C) that D) everywhere
【简答题】Which mountain did they say they tried to climb?
【单选题】They tried to restrict access to ( ) they believed to be dangerous areas.
A.
what
B.
which
C.
that
D.
everywhere
【单选题】They tried to restrict access to ______ they believed to be dangerous areas.
A.
which
B.
what
C.
that
D.
everywhere
【单选题】胞质区含有 ITIM ,与 B7 结合后终止 T 细胞活化的 CD 分子是
A.
． CD3
B.
． CD28
C.
． CD4
D.
． CD8
E.
． CTLA-4
【单选题】阅读以下代码段,则可知( )。 女 ">
A.
上面代码表示的表单元素类型分别是：文本框、单选按钮、复选框、文件域
B.
上面代码表示的表单元素类型分别是：文本框、复选框、单选按钮、文件域
C.
上面代码表示的表单元素类型分别是：密码框、多选按钮、复选框、文件域
D.
上面代码表示的表单元素类型分别是：文本框、单选按钮、下拉列表框、文件域
【单选题】What happened to the workers when they tried to save their colleague in the tank?
A.
They lost their balance.
B.
They still kept their balance.
C.
They lost consciousness.
D.
They died immediately.
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