清雍正年间的官窑督造官唐英一方面积极向民间工匠学习制作技法，另一方面也不断摹仿东西洋的彩法。一次出口的瓷器由于毫无创新之处，雍正不报销该瓷器的制作费用，唐英不得不自掏腰包。该材料说明（    ）

用相同的电加热器分别对质量相等的A和B两种液体（不计热量损失）如图是A和B的温度随加热时间变化的图象，下列说法正确的是（  ）

In 1638, John Harvard donated some money and about four hundred books to a new university. This was the beginning of the library at Harvard University. The gift was so important that the university was named for John Harvard.
Thomas Bray began the first free lending library in the late 1600s. He set up more than 30 or these libraries in the American colonies. However, the idea for this kind of free library ended when Bray died in 1730. In 1731, Benjamin Franklin and some friends started the first subscription（订阅费） library in the United States. In a subscription library people pay money to become members, but they may borrow the books without paying again.
In the United States, every child had a free education. This idea soon led to free libraries. One of the first libraries that used tax money to buy books was a library in Peterborough, New Hampshire. This library was set up in 1833.