【名词&注释】
国际会议、抗美援朝战争(korean war)、占地面积(site area)、一二八事变(shanghai hostilities)、气温年较差(annual temperature range)、气温日较差(diurnal temperature range)、八一三事变、等温线图、发生变化、九一八事变后
[单选题]据图可以推断，从1982年到2004年该城区
A. 建筑物占地面积增加
B. 南北部道路密度差异加大
C. 商业区向城区中心集中
D. 空间形态没有发生变化
查看答案&解析
举一反三：
[单选题]杨柳科的杨属无花盘，有腺体。( )
A. 正确
B. 错误
[单选题]邓小平说：“中国在世界上的地位，是在中华人民共和国成立以后才大大提高的。”体现这一论断的具体史实有
①废除了英美攫取的治外法权 ②促成了亚非会议取得积极成果
③取得了抗美援朝战争的胜利 ④参加了1954年日内瓦国际会议
A. ①②③ B．①②④ C．①③④
B. ②③④
[单选题]EA rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃．Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate．Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world．
A. This action affects the environment as a whole．For example，a lot of carbon dioxide (二氧化碳)in the air comes from burning the rainforests．People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.
B. Firstly，when people cut down trees，generally they can only use the land for a year or two．Secondly，cutting large sections of rainforests may provide a good supply of wood right now，but in the long run it actually reduces the world’s wood supply．
C. More than 25％ of the medicines we use today come from plants in rainforests．However，fewer than l％of rainforest plants have been examined for their medical value．It is extremely likely that our best chance to cure diseases lies somewhere in the world’s shrinking rainforests．
D. Rainforests can help to adjust the climate because they ．
E. reflect more heat into the atmosphere
F. bring about high rainfall throughout the world
G. rarely cause the temperature to drop lower than l6℃
H. reduce the effect of heat from the sun on the earth
[单选题]昆栏树科、水青树科、领春木科和连香树科均为珍贵的古老孑遗分类群，其中有三科为单种科，仅( )含二种，为少种科。
A. 昆栏树科
B. 水青树科
C. 领春木科
D. 连香树科
[单选题]“麻雀叫，麻雀叫，日本人，真凶暴。夺我东三省，杀我们同胞。小朋友!大家起来闹，日本糖果我不吃，东洋玩具我不要。”这首童谣的出现是由于发生了
A. 一二八事变
B. 九一八事变
C. 七七事变
D. 八一三事变
[单选题]有关图示地区气温特征的叙述，正确的是
A. 气温日较差⑤地比④地小
B. 气温年较差①地比③地大
C. 该月等温线图上，①地附近等温线凸向北方
D. 该月等温线图上，③的附近等温线凸向赤道
[单选题]
B． reply
C． picture
D． mind
A. bookB． reply
B. picture
C. mind
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