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[析] 在交通工具前加介词by，但不能再有任何指示代词或冠词，否则要改换相应的介词。by taxi=in a taxi
by train=in a train
by bicycle=on a bicycle
by ship=on a ship
by boat=in a boat
by bus=on a bus
by plane=on a plane
by air 空运
by land 陆运
by sea 海运
on foot on horseback
by phone by letter by radio
by air mail by hand
[误] A lot of French wines are made of grape.
[正] A lot of French wines are made from grape.
[析] made of 是指由原材料到成品过程中原材料未发生质地的变化，而发生了某种变化则要用from,如：The desk was made of hard wood.
[误] This is a good dictionary in English grammar.
[正] This is a good dictionary on English grammar.
[析] 关于某方面的书籍、报告等有两个介词，其中on表示某专业用书，about则为某方面的普通读物，如：This is a book about physics.即物理科普知识。
[误] Do you have the key of the door.
[正] Do you have the key to the door.
[析] key to the door门的钥匙。相同用法还有answer to the question, entrance to the highway, danger to health.千万不要用of。
[误] Today a lot of Chinese people have interest of collecting stamps.
[正] Today a lot of Chinese people have interest in collecting stamps.
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