堤顶的平整还要体现在横向坡度的饱满上，堤顶应保持向（）倾斜。
A.一侧或两侧
B.临河
C.背河
D.上游
参考答案：A
(2013·大连二模)—When choosing furniture, you only focus on function while I think more about the design.
—That's ________ we differ.
A．how
B．what
C．which
D．where
《 * * 党宣言》第一个中译本的翻译者是( )
A．陈独秀 B．李大钊C．陈望道 D．李达
