烟叶烘烤过程中，湿度靠调节天窗和地洞来控制。

阅读理解

      Every country has its own way of cooking. American people have their way of cooking, don't they?

      Most people in the United States like fast food, but if you think that American people don't like

cooking, you are wrong. It's true that most Americans eat fast food for their breakfast and lunch, but they

also think cooking is interesting. Parents see the importance of teaching their children how to cook, and

most Americans say that home cooked meals are the best.

      Americans have their own way of cooking. For example, baking  (烘烤) is the most popular way of

cooking in America. Most American families have ovens. American cooks pay attention to (注意) the

balance of food. In planning a big meal, they try to cook meat, a few vegetables, some bread and often

some sweet food. They also like to make the meal look beautiful. There are many kinds of food of different colors, so the meal is healthy and looks beautiful, too.

根据短文内容，选择最佳答案。

1. Most Americans       .

A. don't like cooking                    

B. cook food in the morning

C. eat fast food                          

D. like having a picnic

2. Most Americans       . 

A. don't eat fast food for their breakfast or lunch

B. have fast food for their breakfast or lunch

C. like to eat fast food for supper

D. don't have breakfast or lunch

3.         is the most popular way of cooking in the USA.

A. Baking            

B. Cutting        

C. Frying      

D. Boiling

4. How does an American cook balance different kinds of food?   

A. He cooks a lot of meat.

B. He cooks meat, vegetables, bread and sweet food for a big meal. 

C. He makes the food delicious.   

D. He cooks a lot of vegetable. 

5. Which is right according to the passage? 

A. The meal looks beautiful because the food is in different colors. 

B. American people do not like to cook food at home.          

C. American parents do not like to teach their children to cook.    

D. Most people in the United States don't like fast food at all.  

将用钢铁制成的金属块投入水中会下沉，而用钢铁制成的轮船却能漂浮在水面上，请你用学过的物理知识加以解释．

关于计算机病毒的破坏性，说法不正确的是( )。

A．破坏性是由破坏模实现的
B．破坏系统设置
C．非法占用系统资源
D．病毒只损坏软件设备，不会破坏计算机的硬件设备

“一毛不拔”最早是孟子批评战国时期的谁用的词语？

I like sitting in the cafes,（）the newspapers and（）people .

A.read；watch

B.reading；watching

C.read；watching