试题与答案

在血平板上能形成草绿色溶血环的细菌是() A.葡萄球菌 B.丙型溶血性链球菌 C.肺

题型:单项选择题 配伍题

题目:

在血平板上能形成草绿色溶血环的细菌是()

A.葡萄球菌

B.丙型溶血性链球菌

C.肺炎链球菌

D.脑膜炎奈瑟菌

E.乙型溶血性链球菌

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A、催化剂及反应系统氮气循环、真空干燥脱水。B、用硫化油对催化剂床层进行预湿润,并用氢气置换氮气,建立氢气循环。C、升温升压,分阶段恒温对催化剂进行硫化。D、确认硫化结束,退硫化油及氢气循环...

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题型:阅读理解

阅读下面的短文,判断文后的句子是否与短文内容相符,复符合的选T, 不符合的选F。

                                                                 Life in 2050

     What will life be like in the year 2050? No one knows, but of course it will be very different from it today

Here are some predictions:

     Firstly, people will work fewer hours, and robots will do hard and dangerous work instead. So they will

have more free time for sports and travelling.

     Secondly, cars, will run faster, and computers will control (控制) the speed instead of people. So there

won't be any accidents.

     Thirdly, people will be able lo live in the sea. away from the crowded and noisy cities on land.

     Lastly, water will have become one of our most serious problems because there could be serious shortage (短缺). Some scientists open predict that water could be the cause of war if we don't act now.

( )1. Nobody knows what life will be like in the year 2050.

( )2. People wont need to work by the year 2050.

( )3. The sea will be too noisy and crowed for man to live in.

( )4. Water shortage could be serous in the future.

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