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问题 问答题 简答题

在站姿面，男士采取的跨步站姿两脚的距离以什么为标准，女士可以采取这种站姿吗？（如果不能，那么女士最好是采取什么站姿？）

答案

参考答案：

⑴、左脚向左平行横跨一小步，不超过肩宽；

⑵、女士一般不采取这种站姿，女士最好采用丁字步站姿。

阅读理解

The Great Fire of London started in the very early hours of September 2,1666.In four days it destroyed more than three quarters of the old city,where most of those houses were built out of wood and close together.One hundred thousand people became homeless but only few lost their lives.The fire started on Sunday moring.By eight o’clock three hundred houses were on fire.On Monday nearly a kilometer of the city was burning along the River Thames.Tuesday was the worst day.The fire destroyed many well–known buildings.

The fire stopped only when the king finally ordered people to destroy hundreds of buildings in the path(路线) of the fire.With nothing left to burn,the fire became weak and finally died out.

小题1:What day die the Great Fire happen in London?

A．Sunday.

B．Monday.

C．Tuesday.

D．Wednesday.小题2:The Great Fire of London destroyed more than ________ of the old city.

A．25 percent

B．30 percent

C．half

D．75 percent小题3:What were most of the houses made of?

A．Plastic.

B．Wood.

C．Stones.

D．Bricks.小题4:Finally,the fire was out because there wasn’t ________ left to burn it ________.

A．nothing,the fire

B．anything,the city

C．anything,the path of the fire

D．something,the streets小题5:How long did the fire last?

A．Two days.

B．Three days.

C．More than four days.

D．Half a month.
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填空题 案例分析题

下图表示人体免疫调节中某一过程的示意图，分析并回答下列有关的问题。

若病菌进入细胞内部时，则需要效应T细胞与被抗原入侵的宿主细胞密切接触，并使细胞裂解，使病原体失去寄生的基础。这是（）免疫。
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