某建筑工地将挖基坑的土堆放在离基坑10m以外的一道砌砖围墙，围墙的外侧是一所小学校操

短文改错（共10小题；每小题1分，满分10分）

文中共有10处语言错误，每句中最多有两处。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，在该行右边横线上写出改正后的词。

注意：

1．每处错误及其修改仅限一词。

2．只允许修改10处，多者（从第11处起）不计分。

Welcome to our college. I am principal of the college and I’d just like to say something while your teacher is preparing to show you up a short video about our lovely college. We are all very pleased what you have decided to study at our college. Some of us will be here for only a few weeks, for you can’t afford to waste any time in your studies. Learn to speak any language involves practicing that language as much as you can. So from today, I recommend you will speak only English. While you are here, you should consider making as many friend as possible with those come from other countries so that you don’t spend too much time speaking your own. Well, I think video is ready now. I hope get the opportunity to meet you all individual at lunch.

在植物的生长过程中，需要施用量最多的无机盐是（ ）

A．含铁、锌、钙的

B．含锰、铁、氮的

C．含氮、磷、钙的

D．含氮、磷、钾的

感染过程的几种表现中，最易识别的是 （）

A.病原体被清除

B.隐性感染

C.显性感染

D.病原携带状态

E.潜伏性感染

食品香气的形成有哪几种途径？（食品中气味的形成途径有那些？）

汽水压力管路装设（）主要是考虑到管路一旦泄漏，即可关闭（）进行处理，不致造成停机停炉事故。