问题 单项选择题

某投机者预测5月份大豆期货合约价格将上升,故买入5手合约(10吨/手),成交价格为2000元/吨。此后合约价格迅速上升到2020元/吨,该投机者再次买入4手。当市场价格再次上升到2030元/吨时,又买入3手合约。当市价上升到2040元/吨时再次买入2手。当市价上升到2050元/吨时再次买入1手,则该投机者持仓的平均价格为()

A.2020元/吨

B.2025元/吨

C.2030元/吨

D.2035元/吨

答案

参考答案:A

解析:

平均价格=(2000×5+2020×4+2030×3+2040×2+2050×1)/15=2020元/吨)。

阅读理解

阅读理解。

     Jamie stood looking at the map. He turned it around. He looked up from the map. He looked back at

the map.He took a few steps back along the path. He put his finger on the map,and looked up again. "It's no

use!", he shouted. He threw the map away,and sat down on the ground.

     I asked him what the matter was.

     Jamie said. "We're lost. We must have taken a wrong turning."

     He didn't know where we were."I'm sorry,I'm sorry."he said again and again.

     I told him not to worry. "We'll follow the fiver." I said. "The fiver flows into the sea, so it will take us

back to the coast." This seemed like a good plan. We set off down the hill. The river was a long way below

us. It was getting dark, and it was starting to rain. Jamie started to run."Come on!" he called."In an hour, it

will be dark and we won't be able to see where we're going" "Stop!" I shouted, because I saw there was a

fallen tree on the path."Don't run. It's dangerous!"

     As soon as I saw him fall, I knew he was badly hurt. When I reached him, he said that his leg hurt. He

wasn't able to stand up. Now, We were lost, we had a long way from home,and Jamie couldn't walk.

1. Why did Jamie say "It's no use!"?

A. He could find the fight way without the map.

B. The path was wrongly marked on the map.

C. The map was not big enough to see clearly.

D. He didn't think the map helpful to them.

2. The writer and Jamie were lost because _______.

A. they took a wrong turning

B. they threw their map away

C. it was too dark to see the way

D. it was a long way from home

3. In order to return to the coast. they decided to ________.

A. follow the path

B. swim across the river

C. walk along the river

D. climb the hill

4. What happened to Jamie?

A. He couldn't see anything.

B. He fell and hurt his leg.

C. He fell into the river.

D. He was hit by a stone.

5. This passage mainly tells us ________.

A. the writer and Jamie lost their way

B. the writer and Jamie climbed the hill

C. how to read a travel map

D. how to make a travel plan

单项选择题