黑客hacker源于20世纪60年代末期的（）计算机科学中心。A、哈佛大学B、麻省理

食物中每克碳水化合物、脂肪和蛋白质可供给能量(kcal)分别为

A．4，4，9
B．9，4，4
C．4，9，4
D．4，9，9
E．9，9，4

阅读理解。

    People all over the world cat rice.Millions of people in Asia  Africa and South America eat it every day of their lives. Some people eat almost nothing but rice.

     Rice is a kind of grass. There are more than 7, 000 kinds of rice. Farmers grow rice in many countries, even in the South part of the United States think that is started to grow in two places. They think that one

kind of rice grew in Southern Asia thousands of years ago. Someone in China wrote about it almost 5, 000 years ago. Another kind probably grew in West Africa. Other scientists think that rice came from India,

arid Indian travelers took it to other parts of the world.

     These are two main ways to grow rice. Most rice grow in wet soil. People in many countries do all of

the work of growing rice by hand. This is the same way farmers worked hundreds of years ago. In some

countries,  people now use machines on their rice farms.

    People use every part of the rice plant. They make animal feed and rice oil from it. They also make

baskets,  brooms and roofs for their houses. They burn dry rice plants in fires for cooking.

根据短文内容，回答下列问题。

1. How many kinds of rice came from?

__________________________________________

2. Where do scientists think rice came from?

__________________________________________

3. How did farmers grow rice hundreds of years ago?

__________________________________________

4. Which part of the rice plant can be used!

__________________________________________

5. What do you think is the best way to grow rice?

__________________________________________

下列各句中划线成语使用正确的一句是（ ）

A．辩论会上，选手们唇枪舌剑，巧舌如簧，精彩激烈的场面赢得了现场观众阵阵掌声。

B．他虽然很年轻，作品也不多，但在漫画创作方面已是头角峥嵘，小有名气，受到同行的赞赏。

C．节气进入暑天，车市步入“寒冬”。与4月份相比，5月份京城二手车市场表现差强人意，总体成交量下降显著，库存出现了明显的增长，价格更是大幅度下降。

D．这次校园网络建设，我们尽管想尽了办法，但还是屡试不爽，不得不推迟开通时间。

年初我国西南地区发生严重旱灾，造成农作物减产．这一现象说明光合作用需要（　　）

A．无机盐

B．二氧化碳

C．水

D．阳光

GB/T19001-2008标准7.2.2条款的要求针对的是（）。

A、与产品有关的要求的评审

B、供方的评审

C、合同规定要求的评审

D、合计评审