单项选择题

In Joseph Mangano's opinion______.

A．the study is worth researching deeply
B．it is no use to study
C．we need not pay attention to the report
D．the unclear plants should be alarmed by the report

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单项选择题

The new study was conducted by______.

A．the government
B．radiation experts
C．antinuclear campaigners
D．public health statisticians

单项选择题

What is the best title for this passage

A．Danny
B．A Car
C．My Father
D．My Story