地理界线反映出区域之间的地理差异性，地理区域则体现了区域内部的地理相似性。下列关于我国四大地理区域差异对人类活动影响的叙述，正确的是（　　）

经济增长时，女人会穿短裙，因为她们要炫耀里面的长丝袜；当经济不景气时，女人买不起丝袜，只好把裙边放长，来掩饰没有穿长丝袜的窘迫。”根据乔治·泰勒的这一“裙边理论”，美国最有可能流行长裙的时期是（   ）

（2017•新课标Ⅱ）设O为坐标原点，动点M在椭圆C： $\frac{x^2}{2}$ +y²=1上，过M做x轴的垂线，垂足为N，点P满足 $\overrightarrow{NP}$ = $\sqrt{2}\overrightarrow{NM}$ ．

（Ⅰ）求点P的轨迹方程；

（Ⅱ）设点Q在直线x=﹣3上，且 $\overrightarrow{OP}$ • $\overrightarrow{PQ}$ =1．证明：过点P且垂直于OQ的直线l过C的左焦点F．

根据短文内容完成下列任务。
   It's October 16th. It's Jeff's fifteenth birthday. In the morning Jeff gets up very early. He goes to Tokyo with his parents. They are going to stay there for a week. Tokyo is the capital of Japan. It's very nice. They can see many parks in Tokyo. Jeff likes Tokyo very much.
   They live in Green hotel. It's very big and clean. Oh, in the hotel Jeff meets Iris old friend Lisa. The two kids are very (A)        . In the evening Jeff's father has a birthday party for Jeff in the hotel.  (B) Lisa and her parents also come to Jeff's birthday party. They have a good time. At the party Lisa sings a Japanese song for Jeff, at about twelve o clock, Jeff doesn’t go to bed. He still plays games with Lisa.
When is Jeff's birthday?
____
How does Jeff get to Tokyo?
____
____ 选择意思相近或相同的选项替换划线邵分。
They can see many parks in Tokyo.

____ 选择适当的词汇完成(A)空格部分，使句意完整。
A. interesting  B. healthy         C. happy         D. unhappy
将划线部分(B)翻译为汉语。
____