the problem of land erosion getting more serious.the government is searching for a way to deal with it．( )A．AsB．WithC．WhenD．Because 题目和参考答案——青夏教育精英家教网—

12．A．Supply your own bags and leftover containers．
B．Keep your car m excellent condition．
C．Plant a tree in your backyard．
D．Support local farmers in daily life．
E．Buy items with less packaging．
F．Try to save energy when you do some washing．

It s easy to living green．Focus on reducing your energy and water consumption and your waste generation，you'11be on your way to reducing your footprints on the planet，"says Malten．
（61）B
It s best to walk，bicycle，or use mass transit for your daily commuting，but for those who must use their own vehicles，improving the efficiency of your car's fuel mileage（耗油量） is as easy as keeping your tires properly inflated and changing your oil and air filters if necessary．
（62）F
Using cold water rather than hot in the washer saves electricity and works just as well as hot water with most clothes．Line drying is not only more environmentally friendly，but it also will keep clothes from shrinking and fading．
（63）A
If you re headed to a restaurant that you know serves king-sized portions，bring a small piece of Tupperware along to take the leftovers home．So that you can keep one fewer styrofoma （泡沫塑料） container from the landfill pile．If you are going to a supermarket，bring your own canvas tote bags（帆布手提袋）"Although many supermarket recycle used plastic bags，the process still requires much energy to be used to transport and process the materials，says Malten．
（64）D
Food grown or produced halfway around the world didn't just appear in the supermarket-it was shipped by plane，boat，truck or rail，and no matter what kind of transportation it took，greenhouse gasses were emitted along the way．Pick the apple grown in your state instead of the banana grown in another country．
（65）C
It seems simple，but just．one tree can consume tons of carbon over its lifetime．If planted properly，it will also provide shade on a sunny day，perhaps reducing the use of energy for air-conditioning in buildings and homes："While reducing energy will cut our carbon emissions，it is also important to restore more natural‘sinks'that capture carbon，"Malten says，"Planting trees is an easy place to start．

2．Michael Jackson gained popularity at a time when MTV was establishing _____ as a creative force．（　　）

A．

it

9．No one can deny the factthat pollution is a serious problem（污染是个严重的问题）．The city authorities should take strong measures to deal with it．（problem）

6．People have wondered for a long time how their personalities and behaviors are formed．It is not easy to explain why one person is intelligent and another is not，or why one is cooperative and another is competitive．
Social scientists are，of course，extremely interested in these types of questions．They want to explain why we possess certain characteristics and exhibit certain behaviors．There are no clear answers yet，but two distinct schools of thought on the matter have developed．As one might expect，the two approaches are very different from one another，and there is a great deal of debate between proponents of each theory．The controversy is often referred to as"nature and nurture"．
Those who support the"nature"side of the conflict believe that our personalities and behavior patterns are largely determined by biological and genetic factors．That our environment has little，if anything，to do with our abilities，characteristics，and behavior is central to this theory．Taken to an extreme，this theory maintains that our behavior is predetermined to such a degree that we are almost completely governed by our instincts（本能）．
Proponents of the"nurture"theory，or，as they are often called，behaviorists，claimed that our environment is more important than our biologically based instincts in determining how we will act．A behaviorist，B．F．Skinner，sees humans as beings whose behavior is almost completely shaped by their surroundings．The behaviorists'view of the human being is quite mechanistic； they maintain that，like machines，humans'respond to environmental stimuli（刺激） as the basis of their behavior．
Socially and politically，the consequences of these two theories are far-reaching．In the US，for example，blacks often score below whites on standardized intelligence tests．This leads some"anature"proponents to conclude that blacks are genetically lower in status than whites．Behaviorists，on the contrary，say that the differences in scores are due to the fact that blacks are often robbed of many of the educational and other environmental advantages that whites enjoy，and that，as a result，they do not develop the same responses that whites do．
Either of these theories cannot yet fully explain human behavior．In fact，it is quite likely that the key to our behavior lies somewhere between these two extremes．That the controversy will continue for a long time is certain．
67．This passage is mainly concerned withD．
A．relation between personality and behavior
B．relation between behavior and environment
C．different accounts of patterns of human behavior
D．different theories of the formation of human behavior
68．The underlined word"proponents''in paragraph 2 meansC．
A．creators B．advisors C．advocates D．judges
69．In paragraph 5，the author mainly writes aboutA．
A．the considerable influence of the two theories
B．differences between the blacks and whites
C．racial discrimination in the United States
D．different responds to intelligence tests
70．What's the author's purpose in writing the passage？D
A．To call our attention to the changes of human behavior．
B．To urge scientists to do more research in social science．
C．To give us a detailed explanation of human behavior．
D．To present an argument in the field of social science．

7．Creating a good study environment takes a little planning．It is well worth the time as the end result will be much productive study time．Many people fail to do this and wonder why they cannot concentrate．After a couple of times of studying the right way，most people will be surprised at how much they can actually enjoy studying．（16）G
Know that concentration is the key．Reduce every possible distraction．Turn off the television and go in an area where you will not be interrupted by people．（17）C If you are studying on your computer，don't get distracted by emails and social networking sites．
（18）D If it is too dim（暗），your eyes will be strained and leave you tired and wanting to close your eyes．Sun is a light that naturally wakes you up and helps you think．
Choose a comfortable seat．（19）E Now a couch can work just fine for this as long as you don't find yourself laying flat after a few minutes．The whole point of studying is to be able to concentrate on the study matter and not on a sore back．
（20）B Now this is for the person who needs the background noise to tone out all the little noises of life going on．If you find yourself thinking about the song then maybe silence is better for you．
Keep something to drink and snack on close by to keep your blood sugar stable．Obviously sugary foods will give you a quick rush but you will also have a quick low afterward．
A．Learn more to make study environment different．
B．Turn on some music．
C．If you can，turn off your cell phone．
D．Find a place that is proper to read．
E．It should have a good back support and a good feeling．
F．Some people can study with lots of activities going on．
G．Read on to learn how to create a good study environment．

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