“千里之行,始于足下”、“滴水穿石”、“聚沙成塔”等成语体现的哲理是[ ]
A.要重视质的飞跃
B.要重视量的积累
C.量变是质的结果
D.质变是量变的前提
答案:B
Here are all the books I have.You may borrow _______ you like.
A.that
B.which
C.however
D.whichever
“三工”指什么?