【单选题】(2015· 全国 II , 4) 下列有关生态系统的叙述,错误的是 ( )
【简答题】语文学习应注重学生的知识与能力、( )、情感态度与价值观的整体发展。 A 自主与合作 B过程与方法 C 合作与探究 D 成绩与考分
【单选题】关于如下程序结构的描述中,哪一项是正确的? for ( ; ; )
【单选题】She had prepared carefully for her English examination so that she could be sure of passing it on her first ________.
【单选题】What is drill-down?
A.
Enables users to view details, and details of details, of information
B.
Finds the inputs necessary to achieve a goal such as a desired level of output
C.
The aggregation of data from simple roll-ups to complex groupings of interrelated information
D.
The ability to look at information from different perspectives
【单选题】各种运输单据中,能起到货物收据、运输合同和物权凭证作用的是( )。