甲公司诉乙公司合同纠纷一案，一审人民法院作出判决，认定双方所签订的合同为有效合同，乙

地球的核心部分称为地核，地核中主要的元素成分是硅。( )

货物招标应遵循的原则不包括( )。

A．诚实守信原则

B．安全保证原则

C．进度保证原则

D．质量保证原则

地下室墙面的卷材铺贴，上屋油毡卷材应盖过下层卷材______cm。

A．5.0

B．8.0

C．10

D．15

1. Thanks for _________ (选择) such a nice birthday present for me.

2. Listen! You really need to __________(锻炼) more and eat less..

3.Halloween is a special  _____________(节日) in Westen countries.

4.I seldom sit between__________ (they).

5. It’s my ______________(one) time to have a good time on the Great Wall.

6. How many ___________(猴子)are there on the farm?

7. Our English teacher often__________(dress)up in a nice suit when a new term starts.

8. Millie is one of the best ___________ (swim) in our school .

9. My cat is climbing________(穿过) the window to catch the mouse.

10. Eat more vegetables and fruit ,and you can stay ____________(health).

复合（混）肥行业产品的结构转型与优化升级在现阶段提倡从以下方面着手