问题
选择题
______ ,Andy found the shop on her left.
A.At the end
B.In the end
C.By the end
D.At the end of
答案
答案:B
此题重点考查四个短语的区别,A、C不存在;D表示在…末尾后跟时间或地点。In the end表示最后相当于at last.
______ ,Andy found the shop on her left.
A.At the end
B.In the end
C.By the end
D.At the end of
答案:B
此题重点考查四个短语的区别,A、C不存在;D表示在…末尾后跟时间或地点。In the end表示最后相当于at last.
下列物质的分类正确的是 ( )
碱 | 酸 | 盐 | 碱性氧化物 | 酸性氧化物 | |
A | Na2CO3 | H2SO4 | NaOH | SO2 | CO2 |
B | NaOH | HCl | NaCl | Na2O | CO |
C | NaOH | CH3COOH | CaF2 | CO | SO2 |
D | KOH | HNO3 | CaCO3 | CaO | SO2 |