Despite the fact that a wide range of reading materials was specially written or______for language learning purposes, there is yet no comprehensive systematic program for the reading skills.

A．Reality is what you make of it.
B．Time is like a river.
C．Emotions are powerful.
D．Every person has a special moment.

A．The method of earthquake prediction in China is exactly the same as in the United States.
B．Some American scientists are very interested in the explanation given by China’s geologists.
C．In order to learn more about earthquake prediction, a group of foreign scientists visited China.
D．Recently, the earthquake experts of China have explained how they are able to predict earthquakes.