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1.Many college students are still___dependent on their paren

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1.Many college students are still___dependent on their parents.
A.finance B.finances C.financial D.financially{为什么不选第二个】
2.What's a nice dress!
Yes.This dress I___500yuan was made in Shanghai.
A.spent on B.paid for C.bought for D.cost[怎么不选最后一个】
3.__of China there are some islands like Jingmen and Mazu.
A.On the southeast coast B.In the southeast coast C.Off the southeast coast D.To the southeast coast[麻烦具体说明一下这些介词的适用场合】
4.The hospital is just____the street.
A.cross B.over C.through D.across[a与d的区别】
1.Many college students are still___dependent on their paren
1.dependent是一个形容词,需要用副词来修饰.故选D.
句意:许多大学生仍然在经济上依赖父母.
2. 用cost表达“某物花费了某人多少钱”这一意思时,只能用物作主语,如: The book cost me 100 yuan.
题中其它几个选项的用法:
spend... on ... 例如:I spent 100 yuan on the book.
pay for... 例如:How much shall I pay for it?
buy...for... 例如:I bought this dress for 500 yuan.
3.in表示A地在B地范围之内.
如: Taiwan is in the southeast of China.
to表示A地在B地范围之外,即二者之间有距离间隔.
如: Japan lies to the east of China.
on表示A地与B地接壤、毗邻.
如: North Korea is on the east of China.
off表示“离……一些距离或离……不远的海上”.
如: They arrived at a house off the main road.
New Zealand lies off the eastern coast of Australia.
4.cross只能作动词、名词、形容词.作形容词时意为“生气的; 恼怒的”.
across 可作介词、副词.作介词时意为:
on the other side of (sth) 在(某物)的另一边:
We shall soon be across the Channel. 我们不久即将渡过英吉利海峡了.
He shouted to me from across the room. 他从房间的另一边向我喊.
My house is just across the street. 我的房子就在马路对面.