我们来到张先生的故居,看到小小院中两棵百年老槐树遥相对望,似乎在交流着对主人的怀念之情。此句所犯的逻辑错误是()
A.混淆概念
B.自相矛盾
C.两不可
D.转移论
参考答案:B
— You don't forget when we borrowed that reference book, do you?
— I can't remember now but ___ sometime last week? [ ]
A. might it be
B. could it be
C. could it have been
D. should it have been
以下为细胞膜结构主要成分的是()
A.脂肪
B.脂肪酸
C.类脂质
D.皮脂