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【单选题】
Please Listen to the following TED talk and answer the questions followed. (1分11秒-55秒) What happened when the speaker just built the instrument with his team to propose an experiment to fly to Venus?A.
He just joined NASA
B.
He became involved in calculations of the greenhouse effect on earth and found that our atmospheric composition was changing
C.
He has just resigned as principal investigator on the Venus experiment
D.
He was continuing his experiment on the trip to Venus
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【单选题】肖女士,腕部腱鞘囊肿切除术感到疼痛,为减轻病人痛苦,医生于1pm开出医嘱:阿法罗定10mg im sos,此医嘱失效的时间至
A.
9pm
B.
11pm
C.
次日1am
D.
次日1pm
E.
医生注明停止的时间
【简答题】目前已经证实,茶叶对人体健康有一定的作用,因为茶叶中包含着( )等多种营养成分。A. 矿物质 B. 氨基酸 C. 维生素 D. 稀有元素
【简答题】创建新对象时将调用类的 ,它主要用来为对象分配存储空间,完成初始化操作。
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