黄某为完成公司的任务创作了一套软件。该创作主要是利用公司的物质技术条件，并由公司承担

找朋友，组成新字。

目    而    山    米    青    月    甲    鱼

大    石    垂    巴    寸    羊    鸟    争

小儿应用脉诊的最早年龄是（）

A.1周岁

B.2周岁

C.3周岁

D.4周岁

E.7周岁

句型转换。

1. My aunt gave me not only some books but also some advice on study. (同义句转换)

My aunt gave me not only some advice on study ______ ______ ______ some books.

2. I don't want to go by coach, I want to go by train instead. (合并成一句)

I want to go by train ______ ______ by coach.

3. It will be sunny tomorrow. We'll go sightseeing. (用if合并成一句)

We'll go sightseeing _______ ______ sunny tomorrow.

4. The poor child was so lucky that he received lots of help from Project Hope. (改为简单句)

The poor child was ______ ______ to receive lots of help from Project Hope.

5. This apple is very delicious. I'd like another one. (同义句转换)

This apple is very delicious. I'd like ______ ______.

简述人口迁移及其对社会经济发展的影响。

木材的虫害是由于昆虫（）造成的。