单项选择题

52（）

A．fighting
B．carrying
C．transmitting
D．diagnosing

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单项选择题

According to the report, patient who received the first self-contained heart（）

A．was said to be in a good condition the next day after operation
B．could not afford a donor heart
C．died two months after the heart implantation
D．was reluctant to release his or her personal information

单项选择题

What is the author’s opinion about the level of CO2 emissions in the UK（）

A．The majority of CO2 emissions come from motorized transport.
B．CO2 emissions may cause climate change in the future
C．More CO2 emissions come from homes than from cars
D．The average citizen does not create much CO2