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【单选题】
菠菜叶脉透明,新叶变黄,产生斑驳和向下卷曲,这是菠菜感染( )引起的症状。A.
黄瓜花叶病毒
B.
芜菁花叶病毒
C.
烟草花叶病毒
D.
甜菜花叶病毒
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反馈参考答案：
举一反三
【判断题】Given square matrices A and B. Then A is row equivalent to B if and only if A is column equivalent to B.
A.
正确
B.
错误
【单选题】In the country of ______, Gulliver was given three kinds of meat: a square of beef, a triangle of chicken, and a circle of lamb.
A.
Lilliput
B.
Houyhnhnm
C.
Luggnagg
D.
Laputa
【简答题】A．33 pounds per square inch. B．14.7 pounds per square inch. C．600 pounds per square inch. D．280 pounds per square inch.
【简答题】If a square prism has an edge of 5 inches, what is the volume of the square?
【单选题】The sides of a square are 3 cm long. One vertex of the square is at (2,0) on a square coordinate grid marked in centimeter units. Which of the following points could also be a vertex of the square?
A.
(-4,0)
B.
(0,1)
C.
(1,-1)
D.
(4,1)
E.
(5,0)
【单选题】Quancheng Square is one of _____ largest in China, _____ second to Tiananmen Square. [ ]
A.
the; the
B.
the: a
C.
/; the
D.
the; /
【简答题】有整型数组:int[] x={2,5,18,6,1};,则调用方法Arrays.sort(x)后,数组x中的元素值依次是( ),(使用单个空格隔开结果中的数字)
【简答题】阅读理解。 Square Dance ABC HOME PAGE Square Dance ABC is an exciting new way to practice square dancing. Enjoy a funny, easy beginner's square dance, with no experience needed. There are three different d...
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