皮皮学，免费搜题
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【单选题】
不属于心传导系统的结构
A.
结
B.
心肌纤维
C.
房室结
D.
房室束
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
分泌生物活性物质
C.
吞噬病原体
D.
抗原呈递作用
查看完整题目与答案
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
合成和释放组胺、肝素等物质
C.
分泌生物活性物质
D.
吞噬病原体等
E.
抗原提呈作用
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel better whenever I'm sad. Q: What does the man like? (17)
A.
A stormy ocean.
B.
Calm water.
C.
Golden sand.
D.
Little waves.
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel better whenever I'm sad. Q: What does the man like? (14)
A.
A stormy ocean.
B.
Calm water.
C.
Golden sand.
D.
Little waves.
查看完整题目与答案
【单选题】病人采用鼻导管吸氧时,氧流量为2L/min,此时氧浓度是
A.
9%
B.
19%
C.
29%
D.
39%
E.
42%
查看完整题目与答案
【单选题】As the final exam is just around the corner,  all the students are in reviewing the lessons carefully. [     ]
A.
occupied
B.
practising
C.
busying
D.
devoted
查看完整题目与答案
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
合成和释放组胺、肝素等物质
C.
分泌生物活性物质
D.
吞噬病原体等
E.
抗原呈递作用
查看完整题目与答案
【单选题】New Zealand is the first country in the world to get the new day, because
A.
it is just east of the International.
B.
it is just west of the International Date Line.
C.
it is located just between the equator and the South Pole.
D.
it is located in the Southern Pacific Ocean.
查看完整题目与答案
【单选题】2017年2月，中美科学家联合开发出一种新型结构的硫化锑基负极材料，使硫化锑基钠离子电池寿命几乎可媲美锂电池。关于钠离子电池与锂离子电池的异同，下列说法错误的是( )。
A.
二者工作原理类似，都是利用离子在正负极之间嵌脱过程实现充放电
B.
钠离子电池成本更低，因为钠盐原材料储量丰富，价格低廉
C.
与锂离子电池相比，钠离子电池可以使用低浓度电解液
D.
锂离子不与铝形成合金，负极可采用铝箔作为集流体
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel much better whenever I'm not happy. What does the man like?
A.
Beautiful sand.
B.
Sunny beach.
C.
Calm sea.
D.
A stormy ocean.
查看完整题目与答案
相关题目：
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
分泌生物活性物质
C.
吞噬病原体
D.
抗原呈递作用
查看完整题目与答案
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
合成和释放组胺、肝素等物质
C.
分泌生物活性物质
D.
吞噬病原体等
E.
抗原提呈作用
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel better whenever I'm sad. Q: What does the man like? (17)
A.
A stormy ocean.
B.
Calm water.
C.
Golden sand.
D.
Little waves.
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel better whenever I'm sad. Q: What does the man like? (14)
A.
A stormy ocean.
B.
Calm water.
C.
Golden sand.
D.
Little waves.
查看完整题目与答案
【单选题】病人采用鼻导管吸氧时,氧流量为2L/min,此时氧浓度是
A.
9%
B.
19%
C.
29%
D.
39%
E.
42%
查看完整题目与答案
【单选题】As the final exam is just around the corner,  all the students are in reviewing the lessons carefully. [     ]
A.
occupied
B.
practising
C.
busying
D.
devoted
查看完整题目与答案
【多选题】巨噬细胞的主要功能是
A.
合成和分泌抗体
B.
合成和释放组胺、肝素等物质
C.
分泌生物活性物质
D.
吞噬病原体等
E.
抗原呈递作用
查看完整题目与答案
【单选题】New Zealand is the first country in the world to get the new day, because
A.
it is just east of the International.
B.
it is just west of the International Date Line.
C.
it is located just between the equator and the South Pole.
D.
it is located in the Southern Pacific Ocean.
查看完整题目与答案
【单选题】2017年2月，中美科学家联合开发出一种新型结构的硫化锑基负极材料，使硫化锑基钠离子电池寿命几乎可媲美锂电池。关于钠离子电池与锂离子电池的异同，下列说法错误的是( )。
A.
二者工作原理类似，都是利用离子在正负极之间嵌脱过程实现充放电
B.
钠离子电池成本更低，因为钠盐原材料储量丰富，价格低廉
C.
与锂离子电池相比，钠离子电池可以使用低浓度电解液
D.
锂离子不与铝形成合金，负极可采用铝箔作为集流体
查看完整题目与答案
【单选题】听力原文：W: I love the beach when the sand is fine and the water is just barely making waves. M: I prefer an angry sea. That makes me feel much better whenever I'm not happy. What does the man like?
A.
Beautiful sand.
B.
Sunny beach.
C.
Calm sea.
D.
A stormy ocean.
查看完整题目与答案