The great use of school education is not so much to teach you things _____ to teach you the art of learning.
A. as
B. than
C. but
D. that
在关系代数运算中,五种基本运算为()
A. 并、差、选择、投影、自然连接
B. 并、差、交、选择、投影
C. 并、差、选择、投影、乘积
D. 井、差、交、选择、乘积
关于汽车的通过性,下列表述正确的是()
A. 接近角越大,汽车的通过性越好
B. 离去角越小,汽车的通过性越好
C. 纵向通过角越大,通过性就越差
D. 纵向通过半径越大汽车的通过性就越好
I heard that you really had a wonderful time at John's birthday party, _____?
A. didn't I
B. didn't you
C. hadn't you
D. will you