题目内容

注射的破伤风类毒素对人而言是

A. 半抗原
B. 抗体
C. 完全抗原
D. 既是抗原又是抗体
E. 既非抗原,也非抗体

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Francesca Meyer must…

A. go to gate 23 right away.
B. take a different flight.
C. board her plane in five minutes’ time.

The train to Bristol…

A. is not running.
B. has just arrived.
C. is late.

What are they watching on television?

A. gymnastics
B. high jump
C. diving

Passengers to Lenton Bridge must …

A. stay on the bus.
B. change onto the 10a bus.
C. buy another bus ticket.

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