试题与答案

声音可以传递______,利用这个特点可以测量的深度.在水面下向海底发出声音后2

题型:填空题

题目:

声音可以传递______,利用这个特点可以测量的深度.在水面下向海底发出声音后2.5s收到反射音,若声音在海水中的传播速度约为1500m/s,则此处海深为______m.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:本例诊断为急性羊水过多,无明显胎儿畸形,已足月,孕妇症状明显应考虑终止妊娠。

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题型:阅读理解

根据阅读内容判断对(T)错(F)。

     English people have porridge for breakfast, too. But their porridge is made of oats (燕麦), not rice.

Many English people put sugar in their porridge, but the Scottish always put salt in it.

     English people always drink tea out of cups, not out of glasses. They usually drink tea with sugar and

milk. When you go to an English family for tea, the host or hostess always asks you, "How many lumps

(方块) of sugar do you want in your tea?"

     In ordinary English families, the main meal is in the evening, because most of the families are always

during the day. But on Sunday when everybody is at home, they make the midday meal, and in the

evening, they have a much lighter supper.

( )1. English people like eating porridge made of rice.          

( )2. All English people always drink tea with coffee and sugar.

( )3. Scotish like drinking porridge with salt in it.            

( )4. Lunch is the main meal for English people on Sundays.      

( )5. English people have the main meal in the evening on Sunday.

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