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【判断题】
In the US, Memorial Day is celebrated on May 30th.A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】A facial ____ system is a technology capable of identifying or verifying a person from a digital image or a video frame from a video source
A.
recommendation
B.
recording
C.
recollection
D.
recognition
【单选题】The none of students in the class likes the mistress, who is used to being ______ of everything they do.
A.
emotional
B.
optimistic
C.
interested
D.
critical
【单选题】A facial _______system is a technology capable of identifying or verifiying a person from a digital image or a vedio frame from a video source.
A.
recommendation
B.
recording
C.
recollection
D.
recognition
【简答题】水源的分类分为 、 和 。
【单选题】It is fairly ________ in Africa for there being a group of expert musicians ________ by others who also join in the performances. [ ]
A.
regular；surrounding
B.
common；surrounded
C.
ordinary；surrounding
D.
usual；surround
【单选题】a digital image is composed of a finite number of elements, each of which has a particular location and value. () is the term used most widely to denote the elements of a digital image.
A.
pixel
B.
gray of level
C.
coordinates
D.
intesity of level
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