根据土层的应力历史条件，判断欠固结土的依据是( )。
A. 先期固结压力小于上覆土层的有效自重压力
B. 饱和黏性土
C. 压缩系数大于0.5MPa-1
D. 残积土
查看答案
经济行情及商品市场行情研究的重点足( )
A. 社会主义国家及其市场
B. 发展中国家及其市场
C. 发达资本主义国家及其市场
D. 不发达国家及其市场
若有说明 int a[3][4]；，则a数组元素的非法引用是
A. a[0][2*1)
B. a[1][3]
C. a[4-2]
D. a[0][4)
According to the passage, modem advertising is "authoritative" because of the way it ______.
A. influences our image of the kind of person we ought to be like
B. interferes with the privacy of home life
C. continually forces us into buying things
D. distracts us no matter where we travel
Today there has been a change of attitude towards nature. This is shown in ______.
A. the pollution of rivers
B. the overfishing of seas
C. the increase in air pollution e
D. the fostering of forests
微信支付 
支付宝支付