【简答题】2007× ,2007÷ ,2007× 得数最大的算式是( )。
【单选题】2007年,我国GDP占世界的比重约为( )。
【单选题】Which statement is NOT correct concerning the content words and functional words ?
A.
Content words do far more work of expression in English on average than functional words.
B.
The number of content words is ever growing while the number of functional words remains stable.
C.
Contents words constitute the main body of the English vocabuary, whereas functional words make up a very small number of the vocabulary.
D.
Words are grouped into content words and functional words by notion.
【单选题】如果某种资源的影子价格大于市场价格,则说明( )
【简答题】O为平面上一点,过点O在这个平面上引2007条不同的直线 l 1 ,l 2 ,l 3 ,…,l 2007 ,则可形成______对以O为顶点的对顶角.
【单选题】黑龙江省因境内东北部有黑龙江而得名,简称“黑”,省会( )。
【多选题】公文最后的日期“2007年六月九日”的正确表述应该是( )。