进行记录查询时,若要采用命令FIND和SEEK命令,则正确的是( )。
A. 还没有建立索引的表已经打开
B. 该表及其索引文件已经打开
C. 该表的表设计器已经打开
D. 该表的索引文件可以不打开
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What does the writer of this passage want tell readers
A. Since human beings cannot live alone, being neighbor will be important again.
B. Machines are not good because they keep people apart.
C. Neighbors are not necessary in our time of machines.
D. Machines call replace good neighbors as they can work for people and entertain people.
环境保护行政主管部门应当对建设项目投入生产或者使用后所产生的环境影响进行跟踪检查,发现( )时,应当查清原因,追究法律责任。
A. 因工期拖延、环境变化而产生的环境问题
B. 因不可抗力造成的一定环境污染
C. 因设备故障造成一定的环境问题
D. 造成严重环境污染或者生态破坏
Seen from the plane this city seemed to be ______ it is.
A. 10 times smaller than
B. no more than 10 times
C. 10 times smaller as
D. as 10 times small as
先期违约的构成要件是( )。
A. 违约的时间必须在合同有效成立后至合同履行期限截止前
B. 违约必须是对合同中自己不满意的条款的违反
C. 违约的时间可以在合同履行完以后
D. 违约在合同履行期限截止前的任何时间都可以