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【单选题】
出口产品质量的构成要素中,安全性是指______。
A.
产品满足一定使用要求所具有的功能,包括使用性能和外观性能两类
B.
产品的可用性及其影响因素、可靠性、维修性和维修保障等性能
C.
产品在生产、储存、流通和使用过程中,对伤害或损坏的风险按可接受的水平加以限制的状态
D.
产品适应外界环境变化的能力。外界环境包括自然环境和社会环境
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【单选题】乙型肝炎病毒最主要的传播途径是
A.
消化道传播
B.
注射途径传播
C.
母婴传播
D.
血液传播
E.
日常生活密切接触传播
【单选题】在人类社会,现在面临的主要冲突几乎皆由()引起。
A.
经济
B.
社会
C.
文化
D.
宗教信仰
【简答题】(2) Once you get to work, take a few minutes to ____(priority) your tasks.
【单选题】柯萨奇病毒最主要的传播途径是( )
A.
呼吸道传播
B.
消化道传播
C.
母婴传播
D.
蚊虫叮咬
【单选题】Ibuprofen is a weak acid with a p K a of 4.9 (shown with the ionizable hydrogen with a star). It is absorbed through the stomach and the small intestine as a function of polarity—charged and very pol...
A.
More ibuprofen will be absorbed in the small intestine because it will be uncharged due to the pH being greater than the p K a
B.
More ibuprofen will be absorbed in the stomach because it will be uncharged due to the pH being lower than the p K a .
C.
More ibuprofen will be absorbed in the small intestine because it will be charged due to the pH being greater than the p K a .
D.
More ibuprofen will be absorbed in the stomach because it will be charged due to the pH being lower than the p K a .
E.
Ibuprofen will be absorbed equally well in both the stomach and small intestine.
【单选题】Where is the stomach in the body?
A.
in the left–top abdomen
B.
in the left lower abdomen
C.
in the right–top abdomen
D.
in the right lower abdomen
【单选题】Where is the main location of protein digestion
A.
stomach
B.
small intestine
C.
liver
D.
kidney
【判断题】旧版第五套人民币1元硬币的材质为白铜合金
A.
正确
B.
错误
【判断题】信念是天生的,不可以通过后天的培养习得。( )
A.
正确
B.
错误
【单选题】Once you get to the United States, you will have to ______ yourself to a completely new lifestyle.
A.
adopt
B.
adapt
C.
adjust
D.
accustom
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