炉尾温度越高，产生的预热（）温度越高，则热效率越低。

"Where is the university(大学)?"This is a question that many visitors to Cambridge(剑桥)ask. But no one can give them a  36  answer, for there is no wall to be found 37  the university. The  university is the city. You can find classroom buildings, 38 , museums and offices of the university all over the city. And most of its members are the students and  39 of the thirty-one colleges (学院). .
Cambridge was already a   40 town long before the first students and teachers arrived 800 years ago. It grew up by the river Granta, and the river was once  41 the Cam. A  42  was built over the river as early as 875. So the town got its name "Cambridge".
In the fourteenth and fifteenth centuries more and more land was used for college buildings. The town grew much 43 in the nineteenth century after the opening of the railway in 1845. Cambridge became a  44  in 1951 and now it has a population of over 100, 000. Many young students in other countries   45  to study at Cambridge. Thousands of people from all over the world come to visit the university town. It has become a famous place all around the world.

小题1:	A．true B．clear C．right D．real

小题2:	A．around B．in C．near D．by

小题3:	A．cinemas B．parks C．zoos D．libraries

小题4:	A．parents B．farmers C．workers D．teachers

小题5:	A．interesting B．usual C．developing D．common

小题6:	A．said B．called C．spoken D．talked

小题7:	A．bridge B．building C．station D．house

小题8:	A．smaller B．slower C．faster D．cleaner

小题9:	A．city B．college C．university D．country

小题10:

A．stop B．hate C．hope D．need