【单选题】On three walls of old Egyptian tombs, there were some paintings with flowers and beauties.
【判断题】一个额定数值220V/60W的白炽灯,无论给它加多大的电压,它所消耗的功率都是60W。
【单选题】_______________ wonderful music it is! [ ]
【单选题】稀土元素号称 “ 工业维生素 ” ,科学家把稀土元素镧对作物的作用赋予 “ 超级钙 ” 的美称 。 已知镧( La )是一种活动性比锌更强的元素,它的氧化物的化学式为 La 2 O 3 , La ( OH ) 3 是不溶于水的弱碱,而 LaCl 3 、 La ( NO 3 ) 3 都可溶于水,下列说法中正确的是( )
B.
LaCl 3 的水溶液加热蒸发灼烧,最终得到无水 LaCl 3
C.
La 和盐酸反应的离子方程式为: La+2H + =La 3+ +H 2 ↑
【单选题】_____ wonderful it is! [ ]
【单选题】_________ exciting match it is! Wonderful players and wonderful teams!
【单选题】43 What did the team find out about honey badgers?
A.
There were some creatures they did not eat.
B.
They were afraid of poisonous creatures.
C.
Female badgers did not mix with male badgers.
D.
They may get some of the water they needed from fruit.