问题 单项选择题

中继阀主膜板勾贝左侧为()压力。

A、总风缸

B、均衡风缸

C、列车管

D、过充风缸

答案

参考答案:B

多项选择题 案例分析题
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Events

Long March exhibit

The Shanghai History Museum is putting on an exhibition to mark the 60th anniversary    of the Long March.On show are more than 220 photos and 40 items that explain with pictures how the communist Red Army drew back from its besieged(被围困的)bases in Jiangxi Province and fought its way to northern Shanxi province in the mid-1930s.Explanations are all in  Chinese,The show will end on November 20.

Time:      10:00 am—4:00 pm.

Address:    1286 Hongqiao Road

Admission:  8 yuan for Chinese/15 yuan for foreigners

Thai elephants

Eight elephants from Thailand are entertaining visitors at Changfeng Park by riding bikes,

playing basketball,balancing on a beam,dancing and blowing a mouth-organ.People are encouraged to have a tug-of-war with the animals or lie on the ground and have the elephants walk over them,The elephants give three shows a day at 9:30 am,3:30 pm and 8:00 pm and there is an additional show at l:30 pm at weekends.The show will end on November 15。

Address:    189 Daduhe Road

Admission:  30—40 yuan

Dancing dolphins

Dolphins jumping from the water to touch a ball,swaying their bodies to music,kissing people and doing maths by tapping their tails have made the dolphinarium in Peace Park an attraction for children.Seals and sea lions also perform。

Hours:      10:30 am,4:00pm,and 7:30prn

Admission:  20 yuan for adults and 10 yuan for children.

45.If you go to visit the Long March exhibit with an Australian,how much will you pay altogether for the admission?

A.16yuan      B.23 yuan        C.30yuan      D.20yuan

46.At the exhibition,you will see        

A.many articles written by famous writers  

B.many things left by the Red Army,

C.books on the Long March        

D.many photos and pictures about the Long Match

47.Which of the following is NOT done by the Thai elephants?

A.Riding bicycles。    B.Blowing a mouth-organ

C.Doing maths        D.Having a tug-of-war with people.

48.The dolphinarium in Peace Park is a hall where you can see            

A.not only dolphins but also seals and sea lions perform

B.only seals and sea lions perform

C.only dolphins perform

D.only seals perform