国际标准化组织在1971年提出的环境噪声允许标准中规定:住宅区室内环境噪声的容许声级

题型:单项选择题

问题:

国际标准化组织在1971年提出的环境噪声允许标准中规定:住宅区室内环境噪声的容许声级为( )dB。

A.30~40

B.35~45

C.40~50

D.45~55

考点:环境影响评价工程师环境影响评价技术方法环境影响评价技术方法
题型:单项选择题

An English traveler found himself in Norway with only enough money to buy the ticket for his journey back home, As he knew that it would take him only two days to get to England, he decided that he could easily spend the time without food. So he bought a ticket and got on the ship. The man closed his ears to the sound of the lunch bell(铃子). When dinner time came, he didn’t go to dinner room, saying that he was not feeling very well.

The next morning he still didn’t have breakfast and at lunchtime he again stayed in his room. But at dinner time he was so hungry that he went to the dinner room and ate everything the waiter put in front of him. He got ready for the quarrel(吵架).

“Bring me the bill (账单),” he said. “The bill, sir?” said the waiter in surprise, “There isn’t any bill, On our ship meals are included (包括) in the money for the ticket,” said the waiter.

小题1:The story happened_________.

A.in England

B.on a ship from Norway to England

C.in Norway

D.on a ship from England to Norway小题2:Why didn’t the traveler go to the dinner room first?

A.Because he had no money

B.Because he didn’t feel very well.

C.Because he didn’t want to eat anything.

D.Because he didn’t hear the sound of the bell.小题3:The traveler went to the dinner room to eat something because__________

A.his friend had given him some money

B.The waiter had asked him to change his mind

C.he learned that there was no bill on the ship

D.he was too hungry小题4:How many meals did the traveler have on the ship?

A.Only one.

B.Two.

C.Three.

D.None.小题5:After the traveler finished eating,___________.

A.he had a quarrel with the waiter over the bill

B.he drank a lot

C.he asked the waiter to bring him the change (零钱)

D.he came to know that travelers on the ship had free (免费的)meals

题型:单项选择题

已知变压器型号为S9-6300,UN=35kV,Ud%=7.5%。35kV架空线路长为100km,x0= 0.4Ω/km,10kV电抗器的百分电抗Xk%=3%,额定电流IN=150A。试求在基准容量
sj=100MV·A、基准电压Uj=10.5kV条件下,上述三元件的电抗标幺值。

题型:单项选择题

平行检验是( )利用一定的检查或检测手段在承包单位自检的基础上,按照一定的比例独立进行检查或检测的活动。

A.总监理工程师
B.监理工程师
C.建设单位代表
D.监理人员

题型:单项选择题

什么是小脑幕切迹疝

题型:单项选择题

A female neonate delivered by elective cesarean birth to a 25-year-old mother weighs 3,265g (7 lb, 3 oz). The nurse places the neonate under the warmer unit. In addition to routine assessments, the nurse should closely monitor this neonate for which of the following()

A. Temperature instability due to type of birth.

B. Respiratory distress due to lack of contractions.

C. Signs of acrocyanosis.

D. Unstable blood sugars.

更多题库