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V. Fill in the blanks with the words and expressions taken from the text. Caucasian Georgians, Hunzas and Vilcabambans all live till very old age. By(1)_______, people in industrial society (2)_______weak and ill in their 60s and 70s. The three groups (3)_______the secret of long life. First they began to do hard, (4)_______work since childhood and did not have (5)_______of retiring even though they were 80. They might (6)_______a bit but never(7)_______They live at very high (8)_______where the air has less oxygen.Another very important (9)_______is that these people are (10)_______pressures and worries of industrial society. (11)_______factors also (12)_______an important role. Finally (13)_______diets are also crucial to health. All these factors(14)_______the long life of these people. By. the way, the (15)_______approach to life is also necessary if one wants to live longer.
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A.
3，4，5
B.
5，3，4
C.
5，4，3
D.
3，5，4
【单选题】关于平面全景图片,以下描述正确的是( )
A.
即水平视角小于100度的接片图像
B.
即水平视角大于10度的接片图像
C.
即水平视角小于90度的接片图像
D.
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【单选题】执行下列语句后，x和y的值是（ ）int x=1,y=1;++x||++y;
A.
x=2, y=1
B.
x=1, y=1
C.
x=2, y=2
D.
x=1, y=2
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