单项选择题

Some environmentalists think that ______.

A．plastic packaging should be made more convenient
B．no alternative can be found to plastic packaging
C．too much plastic is wasted
D．shops should stop using plastic containers

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单项选择题

According to the passage, opponents of the private ownership of H-bombs are very much worried that ______

A．the influence of the association is too powerful for the less privileged to overcome
B．poorly-educated Americans will find it difficult to make use of the weapon
C．the wide use of the weapon will push up living expenses tremendously
D．the cost of the weapon will put citizens on an unequal basis

单项选择题

From the tone of the passage we know that the author is ______.

A．doubtful about the necessity of keeping H-bombs at home for safety
B．unhappy with those who vote against the ownership of H bombs
C．not serious about the private ownership of H-bombs
D．concerned about the spread of nuclear weapons

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