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【简答题】
Zhang wanted to set the standards high, and thus force Haier to solve all the problems and to meet those high standards. His story reminds us of the old Chinese saying: “If you want to play chess, you need to play it with the master,” because that’s the only way you learn.
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参考答案:
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
【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
【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.
【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.
【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%
【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
【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
【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.
【判断题】锂离子电池的正极集流体材料使用的是铝箔,而负极使用的是铜箔。
A.
正确
B.
错误
【单选题】In a diesel engine, when the fuel is injected into the cylinder, .
A.
the piston is just coming upward from the bottom dead center
B.
the piston has moved about one-fifth of the way up
C.
the piston has moved most of the way up and almost reached the TDC
D.
the piston has just past the TDC
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