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礼仪文化典籍，如《》、《礼记》里面容纳了上至国家，下至黎民百姓所包含的所有相关内容。()A.
正确
B.
错误
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【单选题】How can we reduce the moment of inertia?
A.
raise transmision stiffness
B.
choose the best transmission ratio
C.
use transmission parts with low friction
D.
eliminate the clearance of transmission chain
【多选题】How can we reduce the unbalance hydraulic radial force on the gear shafts for gear pump?
A.
Enlarge the area of the outlet port
B.
Reduce the area of the outlet port
C.
Reduce the area of the inlet port
D.
Set balancing grooves
【简答题】How can we reduce the quantity demanded for cigarettes?
【简答题】案例 利用备用信用证追回欠款案 案情 ×年4、5月间，我某外贸进出口公司(卖方)在偶然的机会中与某贸易发展有限公司(买方)分别签订了五份出口销售合同。合同总金额为65万多美元，付款方式全都是见票付款托收方式(D/P at sight on collect basis)。×年6月初，前四批货物分两批陆续从上海港装船发出，运到目的港。卖方也陆续分两次将四套总价值为45万美元的托收单据通过中国银行...
【单选题】How can we reduce the amount of carbon we use up? ( )
A.
Drive gas-guzzling vehicles.
B.
Take aeroplanes to go on holiday.
C.
Buy locally grown food.
D.
Take public transport.
【单选题】How can we reduce the amount of carbon we use up? ( )
A.
Drive gas-guzzling vehicles.
B.
Take aeroplanes to go on holiday.
C.
Buy locally grown or produced food.
D.
Drive cars as much as possible.
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