单项选择题

A．The high temperatures required for its use.
B．The lack of trained environmental engineers.
C．The opposition of automobile manufacturers.
D．The high cost of materials used in its production.
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单项选择题
A．Brett won’t try to get revenge.B．Brett won’t be angry anymore.C．Brett will not always be so busy.D．Brett will have forgotten the woman’s words.
A．Brett won’t try to get revenge.
B．Brett won’t be angry anymore.
C．Brett will not always be so busy.
D．Brett will have forgotten the woman’s words.
单项选择题
A．To show how politics have changed over the years.B．To point out that T-shirts often provide personal information.C．To illustrate how the printing on clothing has improved.D．To support that T-shirts are a form of art.
A．To show how politics have changed over the years.
B．To point out that T-shirts often provide personal information.
C．To illustrate how the printing on clothing has improved.
D．To support that T-shirts are a form of art.
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