单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．The graduate students could understand the lecture.
B．The undergraduate students could understand the lecture.
C．Both the undergraduate and the graduate students understand the lecture.
D．Neither the undergraduate nor the graduate students could understand the lecture.
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单项选择题
A．It increased the students’ white blood cell count.B．It increased some students’ energy level.C．It improved the students’ ability to play musical instruments.D．It released a natural painkiller in some students’ bodies.
A．It increased the students’ white blood cell count.
B．It increased some students’ energy level.
C．It improved the students’ ability to play musical instruments.
D．It released a natural painkiller in some students’ bodies.
单项选择题
A．Because she feels very hot in the room.B．Because she wants to avoid meeting people.C．Because she wants to smoke a cigarette outside.D．Because she doesn’t like the smell of smoke inside.
A．Because she feels very hot in the room.
B．Because she wants to avoid meeting people.
C．Because she wants to smoke a cigarette outside.
D．Because she doesn’t like the smell of smoke inside.
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