A.It is made of iron and easy to carry.
B.It is much safer and can save wood.
C.It is much smaller than the traditional stove.
D.It reaches the requirements of the fire company.
答案 B [细节理解题。根据第四段中的“...warm their homes less dangerously and with less wood”可知,富兰克林发明的炉子更安全,更节省木材,故选B。]
50.Which of the following statements is TRUE according to the passage?
A.Franklin invented the bifocals because of his poor vision.
B.Franklin invented the odometer to make his riding easier.
C.Franklin first invented the electricity and then the lightning rod.
D.Franklin invented the odometer when he worked in a post office.
答案 D [细节理解题。富兰克林发明双光眼镜并不是因为视力不好,而是因为厌烦了频繁地摘下和戴上眼镜,因此不能选A。倒数第二段中提到“As a postmaster...”可知,他在邮局工作的时候发明了简易里程表,故选D。]
51.What characteristic did Franklin,Edison and Bell have in common?
A.They had a strong desire to make life better.
B.They were excellent students at school.
C.They were born in the same age.
D.They made people's life simple.
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