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【单选题】
雷击折断大树,大树压坏房屋,房屋倒塌致使家用电器损毁,家用电器损毁的近因是( )。
A.
房屋倒塌
B.
大树压坏房屋
C.
雷击
D.
大树折断
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举一反三
【单选题】Professor Li'succeeded ________, and his success made us excited. [     ]
A.
by the end
B.
to the end
C.
in the end
D.
at the end
【判断题】在实际预测中,采用的方法不同,对信息资料的要求也可能不同。( )
A.
正确
B.
错误
【简答题】可以溶解大部分生物碱的溶剂为( )、( )。
【单选题】Not only his parents but also his brother ________ to Tokyo. They will be back by the end of next month. [     ]
A.
have been
B.
has been
C.
have gone
D.
has gone
【单选题】Not only his parents but also his twin brother _____ to South Korea. They will be back by the end of next month. [     ]
A.
have been
B.
have gone
C.
has been
D.
has gone
【判断题】实际预测中,采用的方法不同,对信息资料要求也可能不同。
A.
正确
B.
错误
【单选题】_______, Liu Yu achieved his dream. [     ]
A.
In the end
B.
At the end
C.
To the end
【单选题】In the end he realized his dream, but______the cost of his life.
A.
on
B.
with
C.
by
D.
at
【简答题】A、B、C、D是中学化学的常见物质,其中A、B、C均含有同一种元素.在一定条件下相互转化的关系如图所示(部分反应中的H 2 O已略去).请填空: (1)若D是生产、生活中用量最大、用途最广的金属单质 ①若A可用于自来水消毒,则用A制备漂白粉的化学方程式是______.则C的化学式是______.配制C的溶液时可加入少量的______(填物质名称)以抑制水解. ②若A是某强酸的稀溶液,则A的化学式可...
【单选题】His father had only a little money left ___ every month.
A.
in the end
B.
to the end of
C.
at the end of
D.
at last
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