The passage mainly discuss ______.
A. the decline of the Japanese economy
B. the great change of the ethnical and value concept of youth in Japan
C. the existence of generation gap between youth and their parents
D. the increase of birth rate
查看答案
The word "it" (Line 2, Para. 2) most probably refers to ______.
A. economic depression
B. job insecurity
C. birth rate
D. financial unsafety
In the third paragraph, bricks are mentioned to indicate how ______.
A. science is more than a collection of facts
B. scientific experiments have led to improved technology
C. building a house is like performing experiments
D. mathematicians approach science
政府采购合同履行中,采购人需追加合同标的相同的货物、工程或者服务的,在不改变原合同其他条款的前捉下,可以与供应商协商签订补充合同,追加与合同标的相同的货物、工程或服务,所有补充合同的累积增加的、采购金额不得超过原合同采购金额的()。
A. 10%
B. 15%
C. 20%
D. 25%.
The following factors tend to promote social change except ______.
A. different kinds of people
B. different points of view
C. different interests
D. different conditions