The passage is mainly intended for parents()
A.whose kids have difficulty in self-discipline
B.who have doubts about setting rules
C.who are too busy to care for their kids
D.whose kids are addicted to media use
A.whose kids have difficulty in self-discipline
B.who have doubts about setting rules
C.who are too busy to care for their kids
D.whose kids are addicted to media use
B.environmental disasters and their causes
C.engineering problems and their solutions
D.successful businessmen and their achievements
B.a summer bus pass
C.water park swimming
D.things to do in summer
B.To describe various measures to protect the birds
C.To criticize the effects of human pollution on birds
D.To explain a basic tie between birds and human beings
B.safety regulations for visiting other countries
C.the limitations to traveling around the world
D.the requirements for their traveling abroad
B.the shortage of scientists in the U.S.
C.the rapid globalization of science
D.better communication and globalization
When we think of paper, we think of newspaper, books, letters and writing paper.But there are many other uses.Only half of paper is used for books and newspaper, etc .Paper is very good for keeping you warm.Each year, more and more things are made of paper.Now we hear that chairs, tables, and even beds can be made of paper.But the latest in paper making seems to be paper houses.
26.Where was paper invented()?
A.In China.
B.In Scandinavia.
C.In Britain.
27.Scandinavia began to make paper().
A.in 1100
B.in 1400
C.in 1500
28.Every four hundred copies of a forty-page newspaper will need().
A.half a tree
B.one tree
C.two trees
29.All over the world, trees are being cut down than they are being planted().
A.faster
B.more slowly
C.much more slowly
30.The latest things made of paper are().
A.chairs
B. tables
C.houses
B.please
C.fill
D.meet
B.Due to
C.Thanks to
D.But for
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