题目内容
Without electricity, human life ______quite difficult today.
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It is obligatory that every child ______ their parents.
By the end of this year, all the tasks________.
Mr. Bush preferred_______ heavier work to do.
下列代码编译和运行的结果是：public static void main(String[] args) {String[] elements = { "for", "tea", "too" };String first = (elements.length > 0) ? elements[0] : null;System.out.println(first);}
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