监视居住最长不得超过( )。 A．3个月 B．12个月 C．4个月 D．6个月

阅读理解

       People can cut down poplar trees(杨树)and use them for wood or paper. Their large roots help

reduce the loss of soil. Now, poplar trees are often used to prevent environment pollution.

       The poplar trees are found in many places in the northern part ofthe world. They are fast growing

trees that need a lot of water.Different kinds of poplar trees are native to Asia, Europe and North

America.

       Professor Richard-Meagher is now testing a poplar tree to take in mercury  (水银) through its roots. The tree then slowly releases(释放) the mercury into the air through its leaves. Mercury builds up in fish

and other living things,which is dangerous to people.Around a factory, Professor Meagher has planted one hundred and sixty poplars to remove the pollution. There is great interest in using plants to control harmful

things. And poplar trees are among the most studied.

1. What do people use poplar trees for?

A. Clothes or Wood.

B. Food or paper.

C. Wood or paper.

D. Clothes or food.

2. Where  are  poplar  trees from?

A. In the northern part of the world.

B. In the southern part of the world.

C. Asia, North Europe and America.

D. Asia, Europe and North America.

3. Poplar trees spread the mercury  into  the  air through         .

A. their large roots

B. their leaves

C. the soil

D. the water

4. What does the underlined part  "builds up" mean in Chinese?

A. 积累    

B. 损失    

C. 减轻    

D. 穿过

5. What is the passage mainly about?

A. Growing poplar trees need a lot ofwater.

B. Poplar trees can clean the environment.

C. Mercury should be released.

D. Mercury is bad for people.

家住上海的嘉怡一家春节期间乘坐火车京沪高铁去北京玩，沿途能够观赏到（  ）

A．“塞上江南”的美景

B．晾房内的串串葡萄

C．林海雪原“黑土地”

D．华北平原的落叶树

公安执法监督是实现公安机关职能的重要条件。 ( )

糖尿病患者应用某些药物时会引起糖尿病酮症酸中毒，这些药物不包括（）

A.β-受体阻滞剂

B.糖皮质激素

C.噻嗪类利尿剂

D.大剂量青霉素

E.钙通道阻滞剂

项目施工过程中，物机部根据工程部长提供的当期工程施工物资需用量核算表、上期物资库存、储备需要等，及时按要求编制（）。

A、物资申请计划表

B、定额消耗台账

C、月（季）度物资采购计划

D、分工号台账