The underlined phrase "con job" in Paragraph 4 means__________.
A. hoax
B. hard work
C. irksome task
D. special mission
查看答案
Which statement below is TRUE concerning life expectancy according to the passage？
A. Life expectancy goes on rising forever.
B. There could be further increases in life expectancy.
C. Life expectancy has slowed down since 1950s and it will stop.
D. Life expectancy in Japan doubles what it was 200 years ago.
The underlined phrase "low mortality" in Paragraph 8 could best be replaced by“__________ ”. 查看材料
A. short life span
B. low death rate
C. low illness rate
D. good health condition
Based on recent studies made by various scholars， which of the following factors plays a
A. Genes.
B. Eating habits.
C. Environment.
D. Medical condition.
The underlined phrase "this process" in Paragraph 2 refers to __________process.
A. the ageing
B. the body-evolving
C. the genes-repairing
D. the body"s putting-off-damage
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