单项选择题

According to the passage, the railroad industry preferred steel to iron because steel was （）

A．cheaper and more plentiful
B．lighter and easier to mold
C．cleaner and easier to mine
D．stronger and more durable

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单项选择题
Which of the following is not mentioned as being one of Emily Dickinson's eccentricities（）

A．Refusing to eat
B．Wearing only white
C．Avoiding visitors
D．Staying in her room
单项选择题
The author implies that many people attribute Emily Dickinson's seclusion to （）

A．physical illness
B．a failed love affair
C．religious fervor
D．her dislike of people
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