2GHz比900MHz的建筑物穿透损耗小，而两者的穿透损耗差别很大。（）

阅读理解。

1. Trees can get light from ______ in the daytime.

A. C0₂

B. O₂

C. the sun

D. the moon

2. Chlorophyll is in _______.

A. sunlight

B. soil

C. air

D. leaves

3. We can get more O₂ by _______.

A. planting more trees

B. cutting trees down

C. making the water in soil (土壤) polluted

D. making more CO₂

4. CO₂ from air and _______ can produce food for trees with the help of chlorophyll and sunlight.

A. water in the sea

B. water from soil

C. water in the river

D. O₂ into air

5. The picture tells us _______.

A. how trees let O₂ go into air in the sunlight

B. how trees let CO₂ go into air in the sunlight

C. the sunlight isn't important to trees at all

D. trees can take in O₂ and let out CO₂

市区与郊区相比，近地面[ ]

A、气温高，气压高

B、气温高，气压低

C、气温低，气压低

D、气温低，气压高

第一题：许可证及检查证办理（12分）张三为甲省A市持证卷烟零售户。2011年8月，张三的同乡李四欲在A市经营卷烟零售业务，但由于不符合合理布局的要求，未能获得零售许可。张三于是将其许可证转租给李四。2011年9月，A市烟草专卖局稽查员小杨、小刘在对李四的烟店进行市场检查时发现此情况。小杨在进店检查时没有出示检查证，在李四提出质疑后才出示了证件。事后，李四拨打了甲省烟草专卖局的投诉电话，反映了此问题。经核查，李四情况反映属实。请根据材料回答下列问题：

请结合案例说明，稽查员小杨存在何种不当行为？可由哪一级烟草专卖局或工作人员作出何种处理？（6分）

WLANs are increasingly popular because they enable cost-effective connections amongpeople, applications and data that were not possible, or not cost-effective, in the past.For example, WLAN-based applications can enable fine-grained management of supply and distribution （1） to improve their efficiency and reduce （2）. WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall （3） care.WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing （4）through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network management by integrating with customers’ existing systems, such as OpenView. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming（5）and administrative chores.

4（）

A.intrusion 

B.aggression 

C.inbreak 

D.infall

冰岛位于大西洋北部，有“极圈火岛”之称。读图，回答1—2题。

1、有关冰岛的叙述，正确的是[ ]

A、组成冰岛的岩石主要是石灰岩

B、冰岛冬季较温和的主要原因是受北大西洋暖流影响

C、冰岛的活火山带是板块的碰撞造成的

D、冰岛缺乏大型乔木，主要原因是降水太少

2、冰岛首都雷克雅未克被称为“无烟的城市”，能正确反映冰岛城市供暖构成的是

A、A

B、B

C、C

D、D