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【多选题】
由麦克斯韦方程组的微分形式可知,在电磁场中任一点处A.
电位移的散度等于该点处自由电荷的体密度 ；
B.
电场强度的等于该点处磁感应强度变化率的负值；
C.
磁场强度的等于该点处传导电流密度与位移电流密度的矢量和；
D.
磁感强度的散度处处等于零
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【简答题】Fill in each blank with a word given below. Change the form of the word if necessary. off aside intelt reduce attitude activity seem workout Stress is a factor in all our lives. Learning to deal ...
【单选题】We really don’t know _________ with our problems in learning English.
A.
how to deal
B.
how to do
C.
what to deal
D.
how do we deal
【单选题】根据课文内容进行选择 According to the passage of Is a Stress-free Possible?, why is learning to deal with stress important for us?
A.
Because we may have annoying neighbors and financial problems when we’re retired.
B.
Because we can’t live out our days in Hawaii.
C.
Because stress is inevitable in our life.
D.
Because we’re not always good at removing the causes of stress.
【单选题】For all his learning, he didn’t know how to deal with the situation.
A.
communicate with
B.
dolt
C.
spread
D.
cope with
【单选题】下面说法不正确的是
A.
世界上大多数国家的养老保险基金，无论是政府的基本养老保险基金还是企业私营保险基金，相当比例都投放到资本市场中去。
B.
美国和英国保险公司的资产和养老保险基金占上市股份的50％，是世界上两股最成熟、最有效、最有竞争力的金融力量。
C.
不断增长的养老保险基金刺激了资本市场的发展，而资本市场的发展又使养老保险基金得以成功运作。
D.
一般来说，那些养老金已经增长到占其国内生产总值相当小比例的国家，通常也是那些具有规模较大、效率较高的资本的国家。
【单选题】When a second language learner has good ways to ways to deal with frustration and increase motivation in learning the language, he/she has developed______ (learning) strategies.
A.
cognitive
B.
metacognitive
C.
affective
D.
social
【判断题】如果两个数列的极差相同,那么,它们的离中程度就相同。 ( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
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