The young man was often seen ____ by the lake.
A.to draw
B.to drawing
C.draw
D.drew
答案:A
思维的基本形式包括概念、判断和()。
A.辨别
B.抽象
C.推理
D.发散
加载增加摩阻力,适用于水闸平面缓慢()险情的抢护。