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【单选题】
当小麦中后期表现出缺钾症状时,可进行叶面喷施磷酸二氢钾,其浓度应控制在( )%。A.
0.1~0.2
B.
0.2~0.3
C.
0.5~0.6
D.
0.8~1.0
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举一反三
【简答题】If w2 = 10w1, the distance between w1 and w2 is a ( ).
【单选题】下面的方法,当参数值为 2的时候返回值是多少 public int getValue( int i) { int result = 0; switch (i) { case 1: result = result + i; ase 2: result = result + i * 2; case 3: result = result + i * 3; } return result; }
A.
10
B.
8
C.
6
D.
4
【单选题】Which of the following is true of the relationship between Norman and the old w o man?
A.
Norman once wanted to marry the woman but the brother opposed it.
B.
Donald fell in love with the woman too.
C.
Both Norman and the woman were too young to get married.
D.
Norman found the woman uneducated and stupid.
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