已知：2Al+Fe2O3＝ Al2O3+2Fe，该反应放出大量的热量使得生成的铁

阅读短文，选择正确答案。

    I live in a small town near Xing'an in Guilin. You can't see it on the map of China, because it is too small. The

air here is fresh. There are not many tall buildings in our town. The best building is in our school. There are four

hundred students and twenty-five teachers in our school. In the front of the school, there is a playground. I

often play basketball with my classmates on it. There is a little garden behind our school. And we can grow

beautiful flowers and plant trees in the garden. Next to the garden, there is an orange orchard (果园). You can

hear birds sing everywhere (到处). There is a river not far from our school. In summer, we usually go

swimming with our teachers in it. We study Chinese, English, maths and other subjects at school. The teachers

are very nice. We love our school.

1. The writer lives _______. [ ]

A. in a small town

B. in the city of Guilin

C. in a village

D. in a tall building

2. There is _______ in the front of our school. [ ]

A. a river

B. a tall building

C. a playground

D. a garden

3. The students often _______ in summer. [ ]

A. play basketball

B. plant trees

C. grow flowers

D. go swimming

4. People can hear _______ sing here and there. [ ]

A. students

B. birds

C. cows

D. teachers

5. What is the best title (题目) of the passage? [ ]

A. The Garden.

B. A Small Town.

C. Our School.

D. The Best Building

下面诗句不是杜甫所作的是（    ）

A．无边落木萧萧下，不尽长江滚滚来

B．剑外忽传收蓟北，初闻涕泪满衣裳

C．角声满天秋色里，塞上燕脂凝夜紫

D．戎马关山北，凭轩涕泗流

可储存原料一般采用（）来控制采购数量。

A.日常采购法

B.定期采购法

C.永续盘存法

D.长期采购法

影响急性胰腺炎预后的因素不包括

A．低血压

B．低白蛋白

C．低氧血症

D．低血钙

E．低血淀粉酶

《出租汽车服务质量信誉考核办法》是为了规范出租汽车驾驶员的服务行为，建立完善出租汽车驾驶员（），提升出租汽车服务水平。

A.诚信体系

B.退出机制

C.准入机制

D.长效管理