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【单选题】
下面关于XMLHttpRequest说法错误的是（ ）。A.
XMLHttpRequest是Ajax最核心的技术。
B.
它是一个具有应用程序接口的JavaScript对象。
C.
它能使用HTTP协议连接服务器。
D.
XMLHttpRequest最大的特点就是同步传输。
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举一反三
【单选题】The girl is _____ beautiful ____ she may become a film star when she grows up.
A.
too; to
B.
such; that
C.
so; that
D.
so; to
【单选题】The firing of a red star signal may mean（）.
A.
This is the best place to land
B.
You are seen - assistance will be given as soon as possible
C.
Tail block is made fast
D.
Slack away
【简答题】If the neutron star is very large(much bigger than our sun)the process of shrinking may be so intense that a black hole______(result).
【简答题】拓展训练是一种户外体验式训练，源于英文A. Outward Bound
【判断题】In narrative, the experience or event may be in the past, may be what people usually do, or may be going on now.
A.
正确
B.
错误
【简答题】尼安德特人属于 人。
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