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【判断题】
GPS定位中卫星星历的作用是确定卫星的瞬时信息。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】All the mobile phones must be ______ during the meeting. [ ]
A.
kept fit
B.
kept quiet
C.
kept off
D.
kept away
【单选题】He will stop showing off, if no notice _____ of him.
A.
is taken
B.
will be taken
C.
takes
D.
has taken
【单选题】胖胖想在天猫上经营-家男装店铺,但是经营半个月以外销售额并不理想,胖胖想对其店铺进行优化,那么根据天猫的店铺规则,下列哪项优化措施是错误的? ( )
A.
投放站内CPC广告
B.
使用秒杀、促销、优惠券等促销工具
C.
优化成本结构，提供有竞争力的售价
D.
雇佣水军进行刷单操作，提高排名
【单选题】The rain has stopped. Please _____ your umbrellas. [ ]
A.
put away
B.
put off
C.
kept up
D.
kept on
【单选题】He was kept off school because he was affected by a ____ disease.
A.
common
B.
contagious
C.
minor
D.
benign
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