抗日民主 * * 土地立法的基本原则是()。
A.保障佃权
B.减轻封建剥削
C.消灭封建剥削
D.保护农民土地所有权
E.没收一切土的归农民所有
参考答案:A, B, D
The enthusiastic physician takes part in all community services. ________, he often provides his medical service to the neighborhood.
A.What’s worse
B.On the contrary
C.After all
D.Apart from it
往复泵(活塞泵)的工作原理?