科学家通过基因改造,设计出了能在激光脉冲照射下收缩的肌肉细胞。这种被称为“生物综合设

题型:单项选择题

问题:

科学家通过基因改造,设计出了能在激光脉冲照射下收缩的肌肉细胞。这种被称为“生物综合设计”的仿生学新理念除了______自然生物进行设计,还直接使用了真正的肌肉组织,不但融合了生物组织的优点并跳过仿生肌肉阶段,将目标专注于寻找新的理论和方法来实现轻量、低耗的肌肉组织控制系统,同时也模糊了自然物和机械装置的______。填入划横线部分最恰当的一项是:

A.参考 界限

B.对比 概念

C.模仿 功能

D.根据 差异

考点:政法干警考试行政职业能力测试辽宁省政法干警行政职业能力测试真题2013年
题型:单项选择题
阅读理解。
      Mr Lee was in bed and was trying to go to sleep when he heard the bell ring. He turned on the light
and looked at his clock. It was twelve o'clock. "Who can it be at this time of night?" He thought. He
decided to go and find out. So he got out of bed, put on his dressing gown (浴袍) and went to the door.
When he opened the door, there was nobody there. "That's very strange." he thought. Then he went back
to his bedroom, took off his dressing gown, got back into bed, turned off the light and tried to go to sleep.   
      A few minutes later he heard the bell ring again. Mr Lee jumped out of bed very quickly and rushed to
the door. He opened it, but again he found no one there. He closed the door and tried not to feel too angry.
Then he saw a piece of paper on the floor. He picked it up. There were some words on it: " It is now after
midnight (午夜), so it is April Fool's Day (愚人节). April fool to you!"   
      "Oh, it was the English boy next door!" Mr Lee exclaimed (惊叫) and almost smiled. He went back to
bed and fell asleep at once. The bell did not ring again.
1. When did Mr Lee go to bed? He went to bed ______.   
[ ]
A. before twelve o'clock    
B. after twelve o'clock   
C. when the bell rang      
D. when he saw the boy
2. Why did he rush to the door when he heard the bell ring the second time?   
[ ]
A. He wanted to open the door for the visitor.   
B. He wanted to find out who the visitor was.   
C. He was afraid of the ring.   
D. He was waiting for someone.
3. What did Mr Lee think about the English boy? He thought he ______.   
[ ]
A. was a good boy   
B. was friendly with him   
C. shouldn't ring the bell at midnight   
D. did a dangerous thing just now
4. From this passage, we learn that we can            on April Fool's Day.  
[ ]
A. say "Hello" to each other 
B. dance and sing at night   
C. play jokes on each other  
D. send presents to children
题型:单项选择题

完成句子根据中文意思,用单词或短语的适当形式,完成句子。(10分)

小题1:.我们对马航失联事件感到惊奇。

We                   the event of the missing MH370.

小题2:.如今越来越多的人关注食品安全。

Nowadays more and more people _________________ the food safety.

小题3: 我盼望着收到你的来信。

I’m looking forward to _________________ you.

小题4:. 房价涨得这么快,以致许多人买不起房。

The price of the houses is so high that many people _____________to buy houses.

小题5:. 直到他开口说话,我才发现他是莆田人。

I         _____  he was from Putian        ____   he began to talk.

题型:单项选择题

水稻的某3对相对性状,分别由位于非同源染色体上的3对等位基因控制。利用它的花药进行离体培养,再用浓度适当的秋水仙素处理。经此种方法培养出的水稻植株,其表现型最多可有[ ]

A.1种

B.4种

C.8种

D.16种

题型:单项选择题

二进制数10011010110转换成八进制数的结果为( ).

A.4D6

B.1238

C.2326

D.4155

题型:单项选择题

请问大家的墙面刷的都是白色吗?我不太想刷白色,又想像不出哪种好一点,我的房子才74平米多点,是不是浅色的更好一点?

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