题目内容
（请给出正确答案）
Some years ago safety rules_________．
A.were put forwardDue to scientists’recommendations
B.came into being as a result of the workers’demand
C.were introduced because quite a number of people were kiHed or seriously in-jured
D.were effective enough to protect workers and customers
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更多“Some years ago safety rules___…”相关的问题
Some years ago safety rules ______.
A．were put forward due to scientists' recommendations
B．came into being as a result of the workers' demand
C．were introduced because quite a number of people were killed or seriously injured
D．were effective enough to protect workers and customers
______ of years ago, whales lived ______ land and walked on four legs. ()
A．Millions…on
B．Million…in
C．Millions…on the
D．Million…on
A.covered
B.invented
C.discovered
D.founded
The Golden Gate
A．looked very big
B．was an opening to gold for men looking for old years ago
C．was over San Francisco Bay
D．all A, B, and C
A.was named
B.named
C.names
D.with name
A.which was the only mammal in New Zealand
B.which was introduced to New Zealand about 1000 years ago
C.which is an introduced flightless bird
D.which is a native flightless bird
The MIS finally received recognition______.
A．during President Kennedy's term
B．fifty years later
C．ten years ago
D．last year from President Clinton
The MIS finally received recognition ______ .
A．during President Kennedy's term
B．fifty years later
C．ten years ago
D．last year from President Clinton
A．they are eager to build new nuclear power plants
B．they have totally forgotten the Chernobyl accident 25 years ago
C．they have improved their nuclear power plants
D．they want energy independence
A、are illegal in some company
B、will be converted to cash within two years
C、will be converted to cash within 90 days
D、will be converted to cash within 120 days
B.that
C.on which
D.the one
