单项选择题


Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．Radiation from the sun.
B．Radiation from the Van Allen Belts.
C．Radiation from the meteors.
D．Radiation from the Van Allen Belts and from the meteors.
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单项选择题
What is people’s attitude towards a mixture of blood between dogs and wolves
A．It’s not encouraged.
B．It’s strongly protested.
C．It’s warmly welcomed.
D．It’s responded indifferently.
单项选择题
A．Make an appointment with the doctor.B．Return the exam papers to his students.C．Mark the latest homework assignment.D．Put a cancellation notice on the classroom door.
A．Make an appointment with the doctor.
B．Return the exam papers to his students.
C．Mark the latest homework assignment.
D．Put a cancellation notice on the classroom door.
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