【单选题】A country with a high uncertainty avoidance ________.
A.
is highly structured and depends on rules and social institutions to cope with uncertainty
B.
is highly structured and does not depend on rules and social institutions to cope with uncertainty
D.
has no structure or social institutions
【单选题】某投资者经过分析预计 B 公司股票价格会上涨,准备做保证金买长交易。其自己有本金 2 万元, B 股票目前的市场价格为 10 元,假定法定保证金比率为 50% 。投资者可以将自己的 2 万元存入券商保证金账户,向券商贷款 2 万元,购买市值为 4 万元的 B 公司股票 4000 股。若保证金最低维持率为25%时,抵押证券的最低市场价格为 ?
【简答题】A.popularity B.publicity C.difficulty D.uncertainty
【单选题】According to the Uncertainty Principle,______ .
A.
it was theoretically possible to predict the future from Newton's laws
B.
it was not theoretically possible to know the present from Newton's laws
C.
there is no limit to the product of the uncertainty in a particle's position and the uncertainty in its momentum
D.
the more accurately one is able to define the position of a particle, the more certain he feels about its momentum
【简答题】6自由度机器人有解析逆解的条件是机器人操作手的独立关节变量多于()的运动自由度数。
【多选题】统计指标从其所反映的数量特点看可有( )