[填句补文]There is a difference between science and technology. ________. Science has to do with discovering the facts and relationships between observable phenomena in nature and with establishing theories that serve to organize these facts and relationships; technology has to do with tools， techniques， and procedures for applying the findings of science.
A、Another distinction between science and technology has to do with the progress in each.
B、We are all familiar with the improper use of technology.
C、Unlike science， progress in technology must be measured in terms of the human factor.
D、Science is a method of answering theoretical questions; technology is a method of solving practical problems.
[概括大意]They always complained(抱怨) more or less justly， that their parents are out of touch with modern ways. They also blamed that their parents always have a final say. And the young felt that their parents do not trust their children to deal with crises. Besides， they dissatisfied too much murmurs of their parents about certain problems and the lack of sense of humor in dealing with the problems， at least in parents-children relationships.
The main idea of this paragraph is__________.
A、The criticisms to their parents can be kept out of the young people‘s mind in following ways.
B、It is natural for young people to be critical of their parents at times and to blame them for most of the misunderstanding between them.
C、There are so many criticism to their parents among the young people.
D、Young people have gotten enough reasons to criticize their parents.
答案解析：本题段落中的各句列举了年轻人都抱怨其父母些什么，谈的是what are the criticisms?的问题因此选择C。