A.A long elephant tusk.
B.Ancient stone tools.
C.123 bones from animals.
D.mammoth tusk covered with small cuts
A.it brings forwards the time in which ancient hunters lived in that area
B.it provides the evidence of a high level of ancient human society
C.it showed the unexpected ability of the early humans
D.it indicates the effect of climate on the movement of early human population
开始考试点击查看答案A.30 thousand years ago
B.20 thousand years ago
C.28 thousand years ago
D.15 thousand years ago
开始考试点击查看答案A.Optimistic.
B.Pessimisti
C.B.Pessimistic.C.Reserve
D.D.Negativ
开始考试点击查看答案A.it places more emphasis on educating the young.
B.it is both wise and energeti
C.C.it lacks the curiosity to experiment what is new.
D.it welcomes changes.
开始考试点击查看答案A.Communication between employers and employees would be more difficult.
B.More money would be used by employees in payment of their employees.
C.The job market would be more competitive.
D.It would be more difficult for young people to be promoted to top positions.
开始考试点击查看答案A.25 thousand
B.28 thousand
C.36 thousand
D.40 thousand
开始考试点击查看答案A.the ability to do the unexpected
B.a high level of social development
C.thick clothes
D.small animals to feed on
开始考试点击查看答案A.it is a profitable business.
B.it can improve a gardener's ability to remake nature.
C.a gardener can enjoy a very happy relationship in marriage.
D.nature is an unexhausted source of joy
开始考试点击查看答案A.are at leisure.
B.take the job of gardening.
C.are after their goals.
D.own great properties.
开始考试点击查看答案A.3)、A.To demonstrate the problem in marriage in modern society.
B.To illustrate a radical way to achieve happiness.
C.To criticize those who do not value what they already have.
D.To indicate that happiness covers something besides the desire to gain
开始考试点击查看答案注册安全工程师注册安全工程师安全生产技术2012年注册安全工
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