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【多选题】
TCP协议要求接收方必须要进行( )。A.
累积确认
B.
捎带确认
C.
字节确认
D.
报文确认
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】小微企业创办原则是( )。
A.
志向要小、计算要精、规模要小
B.
志向要大、计算要精、起步要稳
C.
志向要大、计算要精、规模要大
D.
志向要大、计算要大、规模要小
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The British policeman has several nicknames(绰号), but the most frequently used a...
A.
several
B.
two
C.
three
D.
many
【单选题】T he difference between the displacement ” light ” and the displacement “ load ” indicates____
A.
maximum carrying capacity
B.
maximum cargo capacity
C.
maximum displacing capacity
D.
maximum reserving capacity
【简答题】A particle moves along the x-axis. Its displacement at time t is . The greatest positive displacement of the particle is .
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