新能源包括海洋能、地热能、()、生物质能等。A.氢能 B.电能 C.天然气

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问题:

新能源包括海洋能、地热能、()、生物质能等。

A.氢能

B.电能

C.天然气

考点:节能减排知识竞赛节能减排知识竞赛题库
题型:单项选择题

Cats are creatures of habit. They like to go to sleep about the same time every day and for a certain length of time. They seem to have a natural clock inside them that tells them when to sleep. Cats increase their regular sleep with occasional cat naps.(打盹). Some experts feel that humans can also get advantages from this habit. Cats nap help to build up energy in the body. They are also a good way to get rid of trouble! Since cats have the same moods as humans, some experts believe that people can improve their moods. People might become happier.

A number of famous people have copied cats by taking cat naps during the day. The naps would usually last from 15 to 30 minutes. Winston Churchill took cat naps. So did President Harry Truman, John F. Kennedy, and Lyndon B. Johnson. These famous men were known for their energy. They were also able to work long hours, often into the night. Napping was their secret.

小题1: From the passage we know that cats_________________.

A.donothaveregularsleep

B.haveoccasionalsleepaswellasnapseveryday

C.takenapstoaddtotheirregularsleep

D.takenapswhentheyarenothappy小题2:Naps usually last ________. 

A.threehours

B.lessthanhalfanhour

C.forty-fiveminutes

D.fifty-fiveminutes小题3: which of the following is NOT true?

A.Cats have the same moods as people.

B.Some famous people take cat naps.

C.Some people have full energy after they take cat naps.

D.People should take their naps secretly.小题4:How many famous men were known for their energy have been mentioned?

A.3

B.4

C.5

D.6小题5:Taking cat naps ________. 

A.willmakeapersonlazyandtired

B.isabadhabit

C.willmakepeoplefeelbetter

D.canhelppeopletobecomefamous

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如果通过转基因技术,成功改造了某血友病女性的造血干细胞,使其凝血功能全部恢复正常。当她与正常男性结婚,婚后所生子女的表现型为[ ]

A.儿子、女儿全部正常

B.儿子、女儿各一半正常

C.儿子全部有病,女儿全部正常

D.儿子全部正常,女儿全部有病

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核酸

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纯棉妇女用针织紧身胸衣

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列举陈垣在历史文献学方面的成就。

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