3.比较水泥和玻璃的生产方法(见下表)硅酸盐产品
|
硅酸盐产品 |
水泥 |
玻璃 |
|
主要设备 |
水泥回转窑 |
玻璃窑 |
|
原料 |
石灰石和粘土 |
纯碱、石灰石、石英(过量) |
|
反应原理 |
复杂的物理-化学变化 |
Na2CO3+SiO2 ?Na2SiO3+CO2
↑ CaCO3+SiO2 ?CaSiO3+CO2↑ |
|
主要成份 |
3CaO·SiO2、2 CaO·SiO2、3CaO·Al2O3 |
Na2SiO3、CaSiO3、SiO2 |
|
反应条件 |
高温 |
高温 |
短文填词(共10小题;每小题1分,满分10分)
|
There are
differences between Chinese and Western restaurant. |
|
|
Many
customers in Chinese restaurant (喊叫) at waiters
as if they, |
100.____ |
|
the
customers, were God. Also, they make fun of waiters and look ________ |
101.____ |
|
upon them. H
, in Western restaurants, it is quite different |
102.____ |
|
People eat
quietly and they treat waiters respect. |
103.____ |
|
At the same
time, they smile _______ them and behave gracefully. |
104.____ |
|
Usually, the
waiters in Chesnee restaurant work h_______ all day, and then |
105.____ |
|
continue to
work after the restaurant ___
__(关门). |
106.____ |
|
They are
exhausted, but no one ___________(表扬) them. |
107.____ |
|
In Western
restaurants, on the _______ hand, the waiters often |
108.____ |
|
get good pay
and received ___________(小费) and compliments. |
109.____ |
第二节、书面表达(共20分):
进入高二以后,同学们的学习任务加重,对于参加课外活动,同学们有着两种不同的看法。请以After-school activities 为题,用英语写一篇120词左右的短文。要点如下:
|
一些同学积极参加课外活动 |
另外一些同学不愿参加课外活动 |
你的观点和理由 |
|
学到实践知识 放松 |
学业紧 |
…… |
注意:开头已经给出,但不计入总词数。
After-school activities
As for after-school activities, students hold different views.
福州高级中学2009-2010学年第二学期期中考试