堆肥的堆制过程中为了加速堆肥腐熟,调节碳氮比,一般加入适量的()A.氮肥 B.磷肥

题型:单项选择题

问题:

堆肥的堆制过程中为了加速堆肥腐熟,调节碳氮比,一般加入适量的()

A.氮肥

B.磷肥

C.钾肥

考点:大学试题农业实用技术农业实用技术题库
题型:单项选择题

水利部发布实施《水利工程质量事故处理暂行规定》的时间为( )。

A.1999年4月3日

B.1999年3月4日

C.1997年4月3日

D.1997年3月4日

题型:单项选择题

   Louis Armstrong had two famous nicknames (绰号). Some people called him Bagamo. They said his mouth looked like a large bag, Musicians often called him Pops, as a sign of respect for his influence (影响) on the world of music.

Born in 1901 in New Orleans, be grew up poor, but lived among great musicians. Jazz was invented in the city a few years before his birth. Armstrong often said, “Jazz and I grew up together.”

Armstrong showed a great talent (天赋) for music when he was taught to play the cornet (短号) at a boy’s home. In his late teens, Armstrong began to live the life of a musician. He played in parades, clubs, and on the steamboats that traveled on the Mississippi River. At that time, New Orleans was famous for the new music of jazz and was home to many great musicians. Armstrong learned from the older musicians and soon became respected as their equal.

In 1922 he went to Chicago. There, the tale of Louis Armstrong begins. From then until the end of his life, Armstrong was celebrated and loved wherever be went Armstrong had no equal when it came to playing the American popular song.

His cornet playing had a deep humanity (仁爱) and warmth that caused many listeners to say, “Listening to Pops just makes you feel good all over.” He was the father of the jazz style(风格) and also one of the best-known and most admired people in the world. His death, on July 6,1971, was headline news around the world.

41.Armstrong was called Pops because he     .   

A. looked like a musician               B. was a musician of much influence

C. showed an interest in music              D. traveled to play modern music

42.The third paragraph is developed      .

A. by space         B. by examples       C. by time       D. by comparison

43.Which statement about Armstrong is true?

A. His tale begins in New Orleans.                 B. He was born before jazz was invented.

C. His music was popular with his listeners. D. He learned popular music at a boy’s home.

44.Which would be the best title for the text?

A. The Invention of the Jazz Music                    B. The Father of the Jazz Style

C. The Making of a Musician                      D. The Spread of Popular Music

题型:单项选择题

化工产品的生产,都必须程度不同地经过()、()、()等加工过程。

题型:单项选择题

要使一生态系统长期存在,除了非生物的物质和能量外,至少必须具有()

A.消费者和分解者

B.生产者和消费者

C.生产者和分解者

D.生产者和人

题型:单项选择题

某一主平面内受弯的实腹构件,当构件截面上有螺栓(或铆钉)孔时,下列何项计算要考虑螺栓(或铆钉)孔引起的截面削弱()?

A.构件变形计算 

B.整体稳定计算 

C.抗弯强度计算 

D.抗剪强度计算

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