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【单选题】
抗HBS抗体单项阳性的意义哪项错误A.
曾感染过乙肝病毒
B.
曾患过乙型肝炎
C.
接种过乙肝疫苗
D.
乙肝病毒正在体内大量复制
E.
是机体对乙肝病毒产生免疫力的标志
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【简答题】阅读理解 Summer holiday is coming. Some kids have already made great plans for the summer. Travel for fun Many s say they will travel with their parents during the holidays. Fan Zhe from Yantai will g...
【多选题】What can the skill “reading between the lines” do for us?
A.
It gives us a deeper understanding of our reading
B.
It can help us go beyond the surface details to see deeper meanings that the details imply or suggest
C.
It can enhance the pure joy of reading
D.
It can boost the development of our meta-cognitive skills
【简答题】速度是18m/s,制动后15s停止运动,火车的加速度是( )
【单选题】生物机体的内环境稳态是指()
A.
细胞内液的理化性质保持相对稳定状态
B.
细胞外液的理化性质保持不变
C.
细胞内液的理化性质保持不变
D.
细胞外液的理化性质保持相对稳定状态
【单选题】听力原文：Every summer more than 25 million people travel to Mediterranean resorts and beaches for their vacation. What does the speaker mean?
A.
Many people travel to the resorts only to see the Mediterranean Sea.
B.
Holidaymakers like to enjoy themselves there except in summer.
C.
Summer vacationers like the Mediterranean resorts and beaches.
D.
Tourists throng to visit the Mediterranean beaches and mountains.
【简答题】没有玩伴意识称之为什么行为。
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