1) 并列结构中,or通常用于否定句,and用于肯定句。1 u- f5 h$ R9 N* W$ M1 P
2) 但有时and 也可用于否定句。请注意其不同特点:. J5 n- a3 ^3 M8 f$ o
There is no air or water in the moon. ) \) s4 i! e6 J! k% H There is no air and no water on the moon. ( X, q2 J$ {4 L' u; N2 U; T/ h 在否定中并列结构用or 连接,但含有两个否定词的句子实际被看作是肯定结构,因此要用and.! z/ B1 z1 B O. _! E. P
典型例题1 O! o% v! j7 X# v- w& i
——I don't like chicken ___ fish.# I1 y0 w+ n+ S' a' s2 D
——I don't like chicken, ___ I like fish very much. : j9 t1 H; s8 J+ Y2 `6 \ A. and; and B. and; but C. or; but D. or;and 6 y& {; }; s4 ]5 E4 h( m+ u1 R 答案C.否定句中表并列用or, but 表转折。3 P" P* S- x$ t. r$ r! e) ^/ T: u
判断改错: & c- f: H* s7 u# n3 G (错)We will die without air and water. . f4 l2 ]- R3 {; O# f+ U (错)We can't live without air or water.* C+ N- ^2 D% s8 m" X
(对)We will die without air or water. # M+ N& p. z" j (对)We can't live without air and water.