Why
did the difference between the "white bikes" of the 1960s and of
1999?参见北师大高中英语必修第三册第8单元(p38)。请问句子中的
of the 1960s 和
of 1999 是并列结构吧，后面一个介词
of 可以省略吗？
The moon is clearly unhappy and her moon is juxtaposed against Sandra and Lancy's good humour, such as when the narrator says the moon feels her own loneliness more acutely in the presence of human happiness.求指教！请问such as后面的when从句是看作什么？定语从句还是时间状语...
...解，请老师指教。FIG. 1C is an enlarged bottom perspective view of the ceiling fan of FIG. 1A illustrating the motor housing and a retention system.图1C是图1A的吊扇的放大仰视透视图，图1A示例了电机壳体和保持系统。illustrating the motor housing and a retention syste...
请问Their personal life was regularly discussed by
people who did not know them but talked as if they were close friends中的as if they were
close friends是陈述语气还是虚拟语气?
The caption under the photo said “The President greets the French delegation.” 照片下面的说明文字写道：“总统欢迎法国代表团。”
这个句子中的under用得好像有点奇怪，under表示“在……的下面”，而这里应...
However, when drought conditions returned, that gamble left them with a population double what the floodplain could support, and Mimbres society collapsed sddenly under the stress.这句话中 what the floodplain could support 是什么从句？under the stress 是什么状语？方式状语吗？
My father's office was right across the square from where we were standing.教辅对此例句提供的译文，我爸爸的办公室就在我们当时站着的那个广场的对面。上述译文对比My father's office was right across from the square where we were standing.表达的含义，该如...
...在他的《英语常见问题解答大辞典》中认为He asked me what
the matter was（他问我那种物质/那件事是什么）和Tell me what's the matter.（含义不一样，因为前者matter作主语，表示''物质'' ''事情''，后者the matter作表语，有形容词的特性，做'...
Some person has taken my umbrella.这里的 some 表示“某个”。请问这样的用法有限制吗？它与不定冠词有何区别？有本书说下面句子中的 a 不能换成 some，这是为什么？I need a new coat. 我需要一件新外衣。(不能说：I need some new coat.)
...级英语语法348页说：1976年棉花产量100吨，1987年500吨：1)The
output of cotton in 1987 was five times as much as that of 1976.2)The
output of cotton in 1987 was five times that of 1976.3)The
output of cotton in 1987 was five times what it had been in 1976.4)The
output of cotton was 40...