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【简答题】
rub sb's eyes
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皮皮学刷刷变学霸
举一反三
【单选题】Is there a bookshop _______ the street? [ ]
A.
on other side of
B.
at the other side of
C.
to the other side of
D.
in the other side of
【单选题】[1448] The buoy symbol printed on your chart is leaning to the northeast. This indicates ______.
A.
you should stay to the north or east of the buoy
B.
you should stay to the west or south of the buoy
C.
the buoy is a major lighted buoy
D.
nothing special for navigational purposes
【单选题】以下关于小瓜虫病的流行规律描述不正确的是（）
A.
水体面积小、放养密度大、流动性差的池塘更有利于迅速传染
B.
观赏鱼易发
C.
流行水温一般为15～25℃
D.
有中间寄主
【单选题】An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol?
A.
Open-faced diamond.
B.
Diamond with a cross.
C.
Circle.
D.
Rectangle.
【单选题】用刺激迷走神经的方法常可以终止哪种心律失常( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
心房扑动
B.
心房颤动
C.
阵发性室上性心动过速
D.
窦性心律不齐
【单选题】以下关于小瓜虫病的流行规律描述不正确的是
A.
水体面积小、放养密度大、流动性差的池塘更有利于迅速传染
B.
观赏鱼易发
C.
流行水温一般为 15~25℃
D.
有三个中间寄主
【单选题】An orange and white buoy marking a danger area will have what symbol on it?（）
A.
Open-faced diamond
B.
Diamond with a cross
C.
Circle
D.
Square
【简答题】对于存放数字方阵的数组a(i,j),判断元素处于矩阵主对角线的条件是____。
【单选题】An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
A.
Open-faced diamond
B.
Diamond with a cross
C.
Circle
D.
Square
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