关于金融工程技术的应用，下列说法正确的有______。 A．满足不同投资群体、具有不

短文改错。

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中共有10处语言错误,每句中最多有两处.每处错误涉及一个单词的增加、删除或修改.

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词.

删除:把多余的词用斜线(/)划掉.

修改:在错的词下划一横线,并在该词下面写出修改后的词.

注意:1.每处错误及其修改均仅限一词；

2．只允许修改10处,多者(从第11处起)不计分.

My parents and I went to the park last Sunday. There were lots of visitors stand in front of the

ticket window. We waited a long time and buy three tickets. In the Tiger Mountain of the park,

I was too eager to see the fierce frightened animals that I quickened my steps through the crowd.

Unfortunate, I got separated from my parents. I had hard time looking for them, and I had no

luck. Wandering in the park, I felt alone without any companions. Worse still, I had no money,

so I had to walk to home, covering as much as 5 kilometer.

再生障碍性贫血红细胞的形态分类是（）

A.大细胞性贫血

B.靶形红细胞性贫血

C.小细胞低色素性贫血

D.正细胞正色素性贫血

E.高色素性贫血

如图所示：水平桌面上有一根条形磁铁，把一根通电长直导线固定在条形磁铁的右上方，若在导线中通以图所示方向的电流，则条形磁铁受到水平桌面给它的摩擦力方向应该是…（　　）

A．无摩擦力

B．水平向左

C．水平向右

D．无法确定摩擦力方向

先兆流产（）。

A．宫颈口未开，子宫小于孕周

B．宫颈口关闭，子宫接近正常大小

C．宫颈口扩张，宫颈口常阻塞

D．宫颈口扩张， * * 出血量多，子宫小于孕周

E．宫颈口未开，子宫与孕周相符，胎膜未破

下列指标中与巨幼细胞性贫血无关的是

A．细胞核的发育落后于胞质

B．MCV 110～160fl

C．MCH 34～50pg

D．MCHC 320～360g/L

E．中性粒细胞核左移