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【单选题】
判别反常积分的敛散性，若收敛，则计算反常积分的值：A.
收敛，且其值为1
B.
收敛，且其值为 –1
C.
发散
D.
以上答案均不对
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皮皮学刷刷变学霸
举一反三
【单选题】Everyone has heard the phrase 'a picture is worth a thousand words'. Videoconferencing provides that picture, bringing decision makers together for face-to-face meetings regardless of their location. ...
A.
enhance the communication
B.
increase productivity
C.
understand the real meaning of the other party
D.
all of the above
【多选题】下列关于报关单位和报关员关系的表述，正确的是：
A.
取得报关员资格证书的人员必须受聘于某个报关单位，且由其所在报关单位为其向海关办理注册后才能成为报关员
B.
报关单位的进出口报关事宜应由报关员代表本单位向海关办理
C.
报关员经所在企业授权发生的报关行为，其法律责任应由报关员承担
D.
对脱离报关员工作岗位和被企业解聘的报关员，报关单位应及时收回其报关员证件，交海关办理注销手续，因未办理注销手续而发生的法律责任由报关单位承担
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
He hopes to meet the professor soon.
B.
He doesn't like the professor at all.
C.
He is happy that Prof. Smith will be the dean.
D.
He wants Prof. Smith to be the new dean.
【简答题】In conversation 3, a golf player goes to the pro-shop to (1)_______ clubs. The player is (2)______ chooses a (3)_________, 3- and 5- (4)_______, 3 hybrids, one (5)_______ wedge and one putter.
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