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【简答题】
下面中哪两个方法可以在A的子类中使用:( ) class A { protected int method1 (int a, int b) { return 0; } } A. public int method 1 (int a, int b) { return 0; } B. private int method1 (int a, int b) { return 0; } C. private int method1 (int a, long b) { return 0; } D. public short method1 (int a, int b) { return 0; }
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举一反三
【单选题】Why did Rose’s mother say that Rose was “without wood”?
A.
She explained that Rose was confused all of the time because she listened to too many people.
B.
She said that everything in Rose’s house was made of plastic.
C.
She thought that Rose had no appreciation for antique wood furniture.
D.
She thought that Rose was so slender that she had no central core.
【简答题】××牌电热水壶 额定电压 220V 额定功率 2000W 电源频率 50Hz 容量 1.2L 电热水壶由于使用方便、高效，巳成为家庭常用的电器之一．上面是某电热水壶的铭牌．要将lL 20℃的水烧开（在标准大气压下），此电热水壶需正常工作3min 20s的时间．则： （1）水吸收的热量是多少？ （2）电热水壶消耗多少电能？ （3）电热水壶的热效率是多少？
【单选题】What does the sentence 'The boom was off the rose' mean?
A.
The rose in the theme park was out of bloom.
B.
The year 2000 was lucky for the 50 establishments.
C.
The theme park attendance was like the rose.
D.
The best time for the theme parks was gone.
【单选题】A man in love often compares his love ______ a rose, hurting but sweet and beautiful.
A.
with
B.
to
C.
like
D.
as
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