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【单选题】
螺旋钻最适合钻进的土层为:A.
粘性土
B.
砂土
C.
碎石土
D.
岩石
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举一反三
【单选题】Why is it no good trying to sell computer games to older people?
A.
Because computer games are harmful to older people.
B.
Because the market is rather small.
C.
Because there are not many older people in the society.
D.
Because many older people don't know how to use computers.
【单选题】请翻译:我希望您在山西短暂停留期间,不仅可以满足您的眼睛和胃,还可以体验真正的中国文化,更好地了解中国人民。
A.
I hope you can enjoy your short stay here and truly experience the Chinese culture and know Chinese people better.
B.
I hope that during your short stay in Shanxi, you can not only satisfy your eyes and stomach, but also experience the real Chinese Culture and have a better understanding of the Chinese people.
C.
I hope you can not only see the good views and taste the delicious food but also know the true Chinese culture and people during your short visit here.
【简答题】Depression is regarded by many older people as_____________
【单选题】It is necessary for older people ______.
A.
to understand why young people are interested in making a better life
B.
to understand what young people think and feel
C.
to see what is wrong in their lives
【简答题】To be beneficial,exercise for older people should
【简答题】A ______ diet makes people look much older.
【单选题】某企业生产某种产品需要2个生产环节,第一个生产环节有设备4台,每台机器产能为30件/天,第二个环节有设备2台,每台机器产能为50件/天,则每天生产该产品的总生产能力为( )
A.
80
B.
100
C.
120
D.
220
【简答题】某企业生产某种产品需要4道加工工序,每道工序加工单件产品所耗用的时间分别是5min、3min、6min、4min,每次加工批量为10件。根据顺序移动方式、平行移动方式和平行顺序移动方式分别计算该企业加工该批零部件所耗用的生产时间。
【简答题】Older people are generally advised to _____. (A) keep fit by going in for physical activities (B) keep mentally active by challenging their brains (C) maintain mental alertness through specific traini...
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