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【判断题】
至于内包装,必须有吸引力和有助于销售,外包装必须适合海运。可以翻译为:As to the inner packing, it must be strong enough to stand shock and rough handling and the outer packing must be seaworthy.
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】细胞内遗传物质的载体是
A.
染色质和染色体
B.
DNA
C.
RNA
D.
蛋白质
E.
脂类
【单选题】A person pulls a box along the ground at a constant speed. If we consider Earth and the box as our system, what can we say about the net external force on the system?
A.
It is zero because the system is isolated.
B.
It is nonzero because the system is not isolated.
C.
It is zero even though the system is not isolated.
D.
It is nonzero even though the system is isolated.
E.
none of the above
【单选题】What is the first thing you should consider when thinking about building an international information system?
A.
the state of world politics
B.
look for new technologies that will help you achieve your goals
C.
consider the global environment where your business will operate, and identify the business drivers for your firm and industry
D.
the business challenges you face in the global environment
E.
the different computing and communication standards in the world
【单选题】An EFI system can be consider as having subsytems.
A.
one
B.
two
C.
three
D.
four
【简答题】利用左图所示图片,制作出如右图所示的木板雕花效果。
【单选题】图示超静定结构,其基本结构如右图所示,则【图片】为:【图片】
A.
117/EI
B.
234/EI
C.
78/EI
D.
351/EI
【单选题】肺癌大多数起源于
A.
肺毛细血管
B.
支气管黏膜上皮
C.
支气管软骨
D.
肺小血管
E.
肺淋巴结
【单选题】下列说法不正确的是:
A.
在动、植物细胞中,遗传物质的载体是DNA
B.
细胞癌变,与细胞内遗传因素有关,许多致癌物质,它改变了细胞核内的物质
C.
动物细胞和植物细胞都有细胞膜、细胞质、细胞核
D.
DNA、基因、染色体的关系是
【单选题】植物根细胞内遗传物质的载体是 [     ]
A.
染色体、线粒体
B.
线粒体、叶绿体、内质网
C.
只有细胞核
D.
染色体、叶绿体、线粒体
【多选题】为什么“我”会为母亲卖白菜的决定而哭?
A.
因为那三棵白菜原是准备留着过年包饺子的,在那个极端贫困的家庭,这是一个小孩子最大的盼望。
B.
因为我不想和母亲去集市上卖白菜。
C.
因为母亲没有和我商量就做了这个决定。
D.
因为这些白菜是我和母亲亲手种植、侍弄的,我对这些白菜有着深厚的感情。
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