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【单选题】Passage FiveRivers have been important to man （） A．since the last century B．for a very long time C．since a few hundred years ago D．since a few years ago
A.
Passage Five
B.
From the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means of travel. Today rivers still serve as a great waterway for the transport and people.
C.
In ancient times, man settled near rivers or on fiver banks and built up large empires.
D.
Water is Nature’s most precious gift to man. Man needs water to irrigate his crops, to cook and to wash. In nations all over the world rivers mean life and wealth. They feed and clothe the nations around them.
E.
Water is also a source of energy and power. Man constructs huge dams across the river to control the water for irrigation and get the energy needed to drive generators. The electrical power is then directed to homes, cities, factories and television stations.
F.
Man uses water each day. His main source of water comes from reservoirs, which in turn get their water from the rivers.
G.
Rivers also bring down soil and minerals from the mountains and deposit them on the plains building up rich fiver deltas for raising plants and crops. Fresh water life in rivers or in lakes fed by them provide man with food.
H.
In a small way rivers help to keep man in good health and provide for his amusements. Various forms of water sports keep man strong and healthy.
I.
Rivers have run on this earth long before man. Man’s future ability to live is uncertain, but rivers will flow on forever.
【单选题】CSM网络管理界面可以完成以下哪些基本管理功能______
A.
查看交换机运行状态、VLAN配置和端口配置
B.
速率设置、查看交换机运行状态和VLAN配置
C.
查看交换机运行状态、速率设置和端口配置
D.
VLAN配置、速率设置和端口配置
【单选题】25（） A．say B．tell C．speak D．talk
A.
Jungle country is not friendly to man, but it is possible to survive there. You must have the right (21) and you must know a few important things about the jungle. Then your chances of staying (22) are very good.
B.
In the jungle, you should always carry a (23) . Then you can (24) which way to go. Again and again you must check your position by it.
C.
Keep alert. Watch the ground in front of you carefully. Stop and listen (25)
D.
If you lose your (26) , do not be afraid. Mark the spot where you are with blazes on a tree. Then you can always know where you started.
E.
Finding water that is safe to drink can be a problem. Many streams and rivers carry germs that can be (27) to man. Luckily, the jungle has many kinds of plants and vines that give water.
F.
(28) in the jungle is a science. Learn as much as you can about what to (29) in the jungle. Then no part of the jungle will seem completely unfriendly or frightening. In fact, you will be able to " (30) " it for a long time.
【单选题】某班在“每月一星”的活动中，将表现好，进步大的学生照片贴在“明星墙”上以示奖励，这样的方法是_______
A.
说服教育
B.
品德评价
C.
指导实践
D.
陶冶政治